Home / 7,512.16-11,265.36-2,580.88

Finding the Fourth Proportional to 7,512.16, 11,265.36 and 2,580.88

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Solution

The fourth proportional to 7,512.16, 11,265.36 and 2,580.88 is: 3,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.16 : 11,265.36 = 2,580.88 : x
  2. Step 2: Convert to fraction form
    7,512.16/11,265.36 = 2,580.88/x
  3. Step 3: Cross multiply
    7,512.16x = 11,265.36 × 2,580.88
  4. Step 4: Simplify right side
    7,512.16x = 29,074,542.32
  5. Step 5: Solve for x
    x = 29,074,542.32/7,512.16
  6. Step 6: Final answer
    x = 3,870.33

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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.