Home / 7,931.04-10,943.98-4,393.90

Finding the Fourth Proportional to 7,931.04, 10,943.98 and 4,393.90

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Solution

The fourth proportional to 7,931.04, 10,943.98 and 4,393.90 is: 6,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.04 : 10,943.98 = 4,393.90 : x
  2. Step 2: Convert to fraction form
    7,931.04/10,943.98 = 4,393.90/x
  3. Step 3: Cross multiply
    7,931.04x = 10,943.98 × 4,393.90
  4. Step 4: Simplify right side
    7,931.04x = 48,086,753.72
  5. Step 5: Solve for x
    x = 48,086,753.72/7,931.04
  6. Step 6: Final answer
    x = 6,063.11

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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.