Home / 8,985.28-13,461.48-6,513.97

Finding the Fourth Proportional to 8,985.28, 13,461.48 and 6,513.97

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Solution

The fourth proportional to 8,985.28, 13,461.48 and 6,513.97 is: 9,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.28 : 13,461.48 = 6,513.97 : x
  2. Step 2: Convert to fraction form
    8,985.28/13,461.48 = 6,513.97/x
  3. Step 3: Cross multiply
    8,985.28x = 13,461.48 × 6,513.97
  4. Step 4: Simplify right side
    8,985.28x = 87,687,609.57
  5. Step 5: Solve for x
    x = 87,687,609.57/8,985.28
  6. Step 6: Final answer
    x = 9,759.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.