Home / 8,468.29-11,686.35-4,931.83

Finding the Fourth Proportional to 8,468.29, 11,686.35 and 4,931.83

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Solution

The fourth proportional to 8,468.29, 11,686.35 and 4,931.83 is: 6,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.29 : 11,686.35 = 4,931.83 : x
  2. Step 2: Convert to fraction form
    8,468.29/11,686.35 = 4,931.83/x
  3. Step 3: Cross multiply
    8,468.29x = 11,686.35 × 4,931.83
  4. Step 4: Simplify right side
    8,468.29x = 57,635,091.52
  5. Step 5: Solve for x
    x = 57,635,091.52/8,468.29
  6. Step 6: Final answer
    x = 6,805.99

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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.