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Finding the Fourth Proportional to 9,810.93, 14,720.13 and 4,548.48

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Solution

The fourth proportional to 9,810.93, 14,720.13 and 4,548.48 is: 6,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.93 : 14,720.13 = 4,548.48 : x
  2. Step 2: Convert to fraction form
    9,810.93/14,720.13 = 4,548.48/x
  3. Step 3: Cross multiply
    9,810.93x = 14,720.13 × 4,548.48
  4. Step 4: Simplify right side
    9,810.93x = 66,954,216.90
  5. Step 5: Solve for x
    x = 66,954,216.90/9,810.93
  6. Step 6: Final answer
    x = 6,824.45

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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.