Home / 5,001.12-7,501.66-2,778.91

Finding the Fourth Proportional to 5,001.12, 7,501.66 and 2,778.91

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Solution

The fourth proportional to 5,001.12, 7,501.66 and 2,778.91 is: 4,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.12 : 7,501.66 = 2,778.91 : x
  2. Step 2: Convert to fraction form
    5,001.12/7,501.66 = 2,778.91/x
  3. Step 3: Cross multiply
    5,001.12x = 7,501.66 × 2,778.91
  4. Step 4: Simplify right side
    5,001.12x = 20,846,437.99
  5. Step 5: Solve for x
    x = 20,846,437.99/5,001.12
  6. Step 6: Final answer
    x = 4,168.35

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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.