Home / 7,929.14-10,946.70-5,414.90

Finding the Fourth Proportional to 7,929.14, 10,946.70 and 5,414.90

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Solution

The fourth proportional to 7,929.14, 10,946.70 and 5,414.90 is: 7,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.14 : 10,946.70 = 5,414.90 : x
  2. Step 2: Convert to fraction form
    7,929.14/10,946.70 = 5,414.90/x
  3. Step 3: Cross multiply
    7,929.14x = 10,946.70 × 5,414.90
  4. Step 4: Simplify right side
    7,929.14x = 59,275,313.20
  5. Step 5: Solve for x
    x = 59,275,313.20/7,929.14
  6. Step 6: Final answer
    x = 7,475.63

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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.