Home / 8,497.16-11,726.38-4,720.40

Finding the Fourth Proportional to 8,497.16, 11,726.38 and 4,720.40

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Solution

The fourth proportional to 8,497.16, 11,726.38 and 4,720.40 is: 6,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.16 : 11,726.38 = 4,720.40 : x
  2. Step 2: Convert to fraction form
    8,497.16/11,726.38 = 4,720.40/x
  3. Step 3: Cross multiply
    8,497.16x = 11,726.38 × 4,720.40
  4. Step 4: Simplify right side
    8,497.16x = 55,353,204.15
  5. Step 5: Solve for x
    x = 55,353,204.15/8,497.16
  6. Step 6: Final answer
    x = 6,514.32

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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.