Home / 8,260.86-11,397.20-4,721.57

Finding the Fourth Proportional to 8,260.86, 11,397.20 and 4,721.57

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Solution

The fourth proportional to 8,260.86, 11,397.20 and 4,721.57 is: 6,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.86 : 11,397.20 = 4,721.57 : x
  2. Step 2: Convert to fraction form
    8,260.86/11,397.20 = 4,721.57/x
  3. Step 3: Cross multiply
    8,260.86x = 11,397.20 × 4,721.57
  4. Step 4: Simplify right side
    8,260.86x = 53,812,597.01
  5. Step 5: Solve for x
    x = 53,812,597.01/8,260.86
  6. Step 6: Final answer
    x = 6,514.16

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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.