Home / 4,750.13-7,125.60-1,240.61

Finding the Fourth Proportional to 4,750.13, 7,125.60 and 1,240.61

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Solution

The fourth proportional to 4,750.13, 7,125.60 and 1,240.61 is: 1,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.13 : 7,125.60 = 1,240.61 : x
  2. Step 2: Convert to fraction form
    4,750.13/7,125.60 = 1,240.61/x
  3. Step 3: Cross multiply
    4,750.13x = 7,125.60 × 1,240.61
  4. Step 4: Simplify right side
    4,750.13x = 8,840,058.09
  5. Step 5: Solve for x
    x = 8,840,058.09/4,750.13
  6. Step 6: Final answer
    x = 1,861.01

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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.