Home / 6,513.52-8,988.96-4,627.12

Finding the Fourth Proportional to 6,513.52, 8,988.96 and 4,627.12

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Solution

The fourth proportional to 6,513.52, 8,988.96 and 4,627.12 is: 6,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.52 : 8,988.96 = 4,627.12 : x
  2. Step 2: Convert to fraction form
    6,513.52/8,988.96 = 4,627.12/x
  3. Step 3: Cross multiply
    6,513.52x = 8,988.96 × 4,627.12
  4. Step 4: Simplify right side
    6,513.52x = 41,592,996.60
  5. Step 5: Solve for x
    x = 41,592,996.60/6,513.52
  6. Step 6: Final answer
    x = 6,385.64

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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.