Home / 8,412.64-11,609.02-4,876.96

Finding the Fourth Proportional to 8,412.64, 11,609.02 and 4,876.96

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Solution

The fourth proportional to 8,412.64, 11,609.02 and 4,876.96 is: 6,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.64 : 11,609.02 = 4,876.96 : x
  2. Step 2: Convert to fraction form
    8,412.64/11,609.02 = 4,876.96/x
  3. Step 3: Cross multiply
    8,412.64x = 11,609.02 × 4,876.96
  4. Step 4: Simplify right side
    8,412.64x = 56,616,726.18
  5. Step 5: Solve for x
    x = 56,616,726.18/8,412.64
  6. Step 6: Final answer
    x = 6,729.96

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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.