Home / 5,146.74-7,682.45-4,420.98

Finding the Fourth Proportional to 5,146.74, 7,682.45 and 4,420.98

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Solution

The fourth proportional to 5,146.74, 7,682.45 and 4,420.98 is: 6,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.74 : 7,682.45 = 4,420.98 : x
  2. Step 2: Convert to fraction form
    5,146.74/7,682.45 = 4,420.98/x
  3. Step 3: Cross multiply
    5,146.74x = 7,682.45 × 4,420.98
  4. Step 4: Simplify right side
    5,146.74x = 33,963,935.70
  5. Step 5: Solve for x
    x = 33,963,935.70/5,146.74
  6. Step 6: Final answer
    x = 6,599.12

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.