Home / 8,781.26-12,117.86-4,802.28

Finding the Fourth Proportional to 8,781.26, 12,117.86 and 4,802.28

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Solution

The fourth proportional to 8,781.26, 12,117.86 and 4,802.28 is: 6,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.26 : 12,117.86 = 4,802.28 : x
  2. Step 2: Convert to fraction form
    8,781.26/12,117.86 = 4,802.28/x
  3. Step 3: Cross multiply
    8,781.26x = 12,117.86 × 4,802.28
  4. Step 4: Simplify right side
    8,781.26x = 58,193,356.72
  5. Step 5: Solve for x
    x = 58,193,356.72/8,781.26
  6. Step 6: Final answer
    x = 6,626.99

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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.