Home / 9,140.23-12,615.60-5,947.90

Finding the Fourth Proportional to 9,140.23, 12,615.60 and 5,947.90

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Solution

The fourth proportional to 9,140.23, 12,615.60 and 5,947.90 is: 8,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.23 : 12,615.60 = 5,947.90 : x
  2. Step 2: Convert to fraction form
    9,140.23/12,615.60 = 5,947.90/x
  3. Step 3: Cross multiply
    9,140.23x = 12,615.60 × 5,947.90
  4. Step 4: Simplify right side
    9,140.23x = 75,036,327.24
  5. Step 5: Solve for x
    x = 75,036,327.24/9,140.23
  6. Step 6: Final answer
    x = 8,209.46

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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.