Home / 7,068.89-9,755.19-3,838.71

Finding the Fourth Proportional to 7,068.89, 9,755.19 and 3,838.71

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Solution

The fourth proportional to 7,068.89, 9,755.19 and 3,838.71 is: 5,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.89 : 9,755.19 = 3,838.71 : x
  2. Step 2: Convert to fraction form
    7,068.89/9,755.19 = 3,838.71/x
  3. Step 3: Cross multiply
    7,068.89x = 9,755.19 × 3,838.71
  4. Step 4: Simplify right side
    7,068.89x = 37,447,332.17
  5. Step 5: Solve for x
    x = 37,447,332.17/7,068.89
  6. Step 6: Final answer
    x = 5,297.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.