Home / 7,255.12-10,011.30-4,270.76

Finding the Fourth Proportional to 7,255.12, 10,011.30 and 4,270.76

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Solution

The fourth proportional to 7,255.12, 10,011.30 and 4,270.76 is: 5,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.12 : 10,011.30 = 4,270.76 : x
  2. Step 2: Convert to fraction form
    7,255.12/10,011.30 = 4,270.76/x
  3. Step 3: Cross multiply
    7,255.12x = 10,011.30 × 4,270.76
  4. Step 4: Simplify right side
    7,255.12x = 42,755,859.59
  5. Step 5: Solve for x
    x = 42,755,859.59/7,255.12
  6. Step 6: Final answer
    x = 5,893.20

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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.