Home / 9,152.28-13,743.60-5,711.40

Finding the Fourth Proportional to 9,152.28, 13,743.60 and 5,711.40

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Solution

The fourth proportional to 9,152.28, 13,743.60 and 5,711.40 is: 8,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.28 : 13,743.60 = 5,711.40 : x
  2. Step 2: Convert to fraction form
    9,152.28/13,743.60 = 5,711.40/x
  3. Step 3: Cross multiply
    9,152.28x = 13,743.60 × 5,711.40
  4. Step 4: Simplify right side
    9,152.28x = 78,495,197.04
  5. Step 5: Solve for x
    x = 78,495,197.04/9,152.28
  6. Step 6: Final answer
    x = 8,576.57

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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.