Home / 8,789.48-13,188.38-4,407.40

Finding the Fourth Proportional to 8,789.48, 13,188.38 and 4,407.40

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Solution

The fourth proportional to 8,789.48, 13,188.38 and 4,407.40 is: 6,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.48 : 13,188.38 = 4,407.40 : x
  2. Step 2: Convert to fraction form
    8,789.48/13,188.38 = 4,407.40/x
  3. Step 3: Cross multiply
    8,789.48x = 13,188.38 × 4,407.40
  4. Step 4: Simplify right side
    8,789.48x = 58,126,466.01
  5. Step 5: Solve for x
    x = 58,126,466.01/8,789.48
  6. Step 6: Final answer
    x = 6,613.19

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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.