Home / 7,452.38-10,289.10-4,622.76

Finding the Fourth Proportional to 7,452.38, 10,289.10 and 4,622.76

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Solution

The fourth proportional to 7,452.38, 10,289.10 and 4,622.76 is: 6,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.38 : 10,289.10 = 4,622.76 : x
  2. Step 2: Convert to fraction form
    7,452.38/10,289.10 = 4,622.76/x
  3. Step 3: Cross multiply
    7,452.38x = 10,289.10 × 4,622.76
  4. Step 4: Simplify right side
    7,452.38x = 47,564,039.92
  5. Step 5: Solve for x
    x = 47,564,039.92/7,452.38
  6. Step 6: Final answer
    x = 6,382.40

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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.