Home / 8,447.40-11,657.17-4,670.29

Finding the Fourth Proportional to 8,447.40, 11,657.17 and 4,670.29

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Solution

The fourth proportional to 8,447.40, 11,657.17 and 4,670.29 is: 6,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.40 : 11,657.17 = 4,670.29 : x
  2. Step 2: Convert to fraction form
    8,447.40/11,657.17 = 4,670.29/x
  3. Step 3: Cross multiply
    8,447.40x = 11,657.17 × 4,670.29
  4. Step 4: Simplify right side
    8,447.40x = 54,442,364.48
  5. Step 5: Solve for x
    x = 54,442,364.48/8,447.40
  6. Step 6: Final answer
    x = 6,444.87

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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.