Home / 7,929.92-10,943.64-4,393.13

Finding the Fourth Proportional to 7,929.92, 10,943.64 and 4,393.13

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Solution

The fourth proportional to 7,929.92, 10,943.64 and 4,393.13 is: 6,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.92 : 10,943.64 = 4,393.13 : x
  2. Step 2: Convert to fraction form
    7,929.92/10,943.64 = 4,393.13/x
  3. Step 3: Cross multiply
    7,929.92x = 10,943.64 × 4,393.13
  4. Step 4: Simplify right side
    7,929.92x = 48,076,778.48
  5. Step 5: Solve for x
    x = 48,076,778.48/7,929.92
  6. Step 6: Final answer
    x = 6,062.70

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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.