Home / 7,512.48-11,275.56-4,005.45

Finding the Fourth Proportional to 7,512.48, 11,275.56 and 4,005.45

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Solution

The fourth proportional to 7,512.48, 11,275.56 and 4,005.45 is: 6,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.48 : 11,275.56 = 4,005.45 : x
  2. Step 2: Convert to fraction form
    7,512.48/11,275.56 = 4,005.45/x
  3. Step 3: Cross multiply
    7,512.48x = 11,275.56 × 4,005.45
  4. Step 4: Simplify right side
    7,512.48x = 45,163,691.80
  5. Step 5: Solve for x
    x = 45,163,691.80/7,512.48
  6. Step 6: Final answer
    x = 6,011.82

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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.