Home / 7,320.47-10,098.13-4,630.86

Finding the Fourth Proportional to 7,320.47, 10,098.13 and 4,630.86

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Solution

The fourth proportional to 7,320.47, 10,098.13 and 4,630.86 is: 6,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.47 : 10,098.13 = 4,630.86 : x
  2. Step 2: Convert to fraction form
    7,320.47/10,098.13 = 4,630.86/x
  3. Step 3: Cross multiply
    7,320.47x = 10,098.13 × 4,630.86
  4. Step 4: Simplify right side
    7,320.47x = 46,763,026.29
  5. Step 5: Solve for x
    x = 46,763,026.29/7,320.47
  6. Step 6: Final answer
    x = 6,387.98

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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.