Home / 5,011.30-7,517.76-1,891.18

Finding the Fourth Proportional to 5,011.30, 7,517.76 and 1,891.18

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Solution

The fourth proportional to 5,011.30, 7,517.76 and 1,891.18 is: 2,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.30 : 7,517.76 = 1,891.18 : x
  2. Step 2: Convert to fraction form
    5,011.30/7,517.76 = 1,891.18/x
  3. Step 3: Cross multiply
    5,011.30x = 7,517.76 × 1,891.18
  4. Step 4: Simplify right side
    5,011.30x = 14,217,437.36
  5. Step 5: Solve for x
    x = 14,217,437.36/5,011.30
  6. Step 6: Final answer
    x = 2,837.08

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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.