Home / 6,513.27-8,988.48-3,860.25

Finding the Fourth Proportional to 6,513.27, 8,988.48 and 3,860.25

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Solution

The fourth proportional to 6,513.27, 8,988.48 and 3,860.25 is: 5,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.27 : 8,988.48 = 3,860.25 : x
  2. Step 2: Convert to fraction form
    6,513.27/8,988.48 = 3,860.25/x
  3. Step 3: Cross multiply
    6,513.27x = 8,988.48 × 3,860.25
  4. Step 4: Simplify right side
    6,513.27x = 34,697,779.92
  5. Step 5: Solve for x
    x = 34,697,779.92/6,513.27
  6. Step 6: Final answer
    x = 5,327.24

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Double scale
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Similar ratio
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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.