Home / 8,497.85-11,726.49-4,720.72

Finding the Fourth Proportional to 8,497.85, 11,726.49 and 4,720.72

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Solution

The fourth proportional to 8,497.85, 11,726.49 and 4,720.72 is: 6,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.85 : 11,726.49 = 4,720.72 : x
  2. Step 2: Convert to fraction form
    8,497.85/11,726.49 = 4,720.72/x
  3. Step 3: Cross multiply
    8,497.85x = 11,726.49 × 4,720.72
  4. Step 4: Simplify right side
    8,497.85x = 55,357,475.87
  5. Step 5: Solve for x
    x = 55,357,475.87/8,497.85
  6. Step 6: Final answer
    x = 6,514.29

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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.