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Finding the Fourth Proportional to 9,892.84, 14,839.26 and 4,417

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Solution

The fourth proportional to 9,892.84, 14,839.26 and 4,417 is: 6,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.84 : 14,839.26 = 4,417 : x
  2. Step 2: Convert to fraction form
    9,892.84/14,839.26 = 4,417/x
  3. Step 3: Cross multiply
    9,892.84x = 14,839.26 × 4,417
  4. Step 4: Simplify right side
    9,892.84x = 65,545,011.42
  5. Step 5: Solve for x
    x = 65,545,011.42/9,892.84
  6. Step 6: Final answer
    x = 6,625.50

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Half scale
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Double scale
Find fourth proportional to 9,893.84, 14,840.76 and 4,418
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.