Home / 7,145.92-10,720.32-2,532.16

Finding the Fourth Proportional to 7,145.92, 10,720.32 and 2,532.16

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Solution

The fourth proportional to 7,145.92, 10,720.32 and 2,532.16 is: 3,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.92 : 10,720.32 = 2,532.16 : x
  2. Step 2: Convert to fraction form
    7,145.92/10,720.32 = 2,532.16/x
  3. Step 3: Cross multiply
    7,145.92x = 10,720.32 × 2,532.16
  4. Step 4: Simplify right side
    7,145.92x = 27,145,565.49
  5. Step 5: Solve for x
    x = 27,145,565.49/7,145.92
  6. Step 6: Final answer
    x = 3,798.75

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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.