Home / 8,691.18-11,993.85-4,712.26

Finding the Fourth Proportional to 8,691.18, 11,993.85 and 4,712.26

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Solution

The fourth proportional to 8,691.18, 11,993.85 and 4,712.26 is: 6,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.18 : 11,993.85 = 4,712.26 : x
  2. Step 2: Convert to fraction form
    8,691.18/11,993.85 = 4,712.26/x
  3. Step 3: Cross multiply
    8,691.18x = 11,993.85 × 4,712.26
  4. Step 4: Simplify right side
    8,691.18x = 56,518,139.60
  5. Step 5: Solve for x
    x = 56,518,139.60/8,691.18
  6. Step 6: Final answer
    x = 6,502.93

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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.