Home / 7,512.56-11,272.86-4,225.88

Finding the Fourth Proportional to 7,512.56, 11,272.86 and 4,225.88

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Solution

The fourth proportional to 7,512.56, 11,272.86 and 4,225.88 is: 6,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.56 : 11,272.86 = 4,225.88 : x
  2. Step 2: Convert to fraction form
    7,512.56/11,272.86 = 4,225.88/x
  3. Step 3: Cross multiply
    7,512.56x = 11,272.86 × 4,225.88
  4. Step 4: Simplify right side
    7,512.56x = 47,637,753.62
  5. Step 5: Solve for x
    x = 47,637,753.62/7,512.56
  6. Step 6: Final answer
    x = 6,341.08

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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.