Home / 5,613.35-8,420.03-3,853.02

Finding the Fourth Proportional to 5,613.35, 8,420.03 and 3,853.02

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Solution

The fourth proportional to 5,613.35, 8,420.03 and 3,853.02 is: 5,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.35 : 8,420.03 = 3,853.02 : x
  2. Step 2: Convert to fraction form
    5,613.35/8,420.03 = 3,853.02/x
  3. Step 3: Cross multiply
    5,613.35x = 8,420.03 × 3,853.02
  4. Step 4: Simplify right side
    5,613.35x = 32,442,494.79
  5. Step 5: Solve for x
    x = 32,442,494.79/5,613.35
  6. Step 6: Final answer
    x = 5,779.52

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.