Home / 8,446.74-11,655.60-4,669.29

Finding the Fourth Proportional to 8,446.74, 11,655.60 and 4,669.29

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Solution

The fourth proportional to 8,446.74, 11,655.60 and 4,669.29 is: 6,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.74 : 11,655.60 = 4,669.29 : x
  2. Step 2: Convert to fraction form
    8,446.74/11,655.60 = 4,669.29/x
  3. Step 3: Cross multiply
    8,446.74x = 11,655.60 × 4,669.29
  4. Step 4: Simplify right side
    8,446.74x = 54,423,437.74
  5. Step 5: Solve for x
    x = 54,423,437.74/8,446.74
  6. Step 6: Final answer
    x = 6,443.13

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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.