Home / 4,355.91-6,535.01-1,891.20

Finding the Fourth Proportional to 4,355.91, 6,535.01 and 1,891.20

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Solution

The fourth proportional to 4,355.91, 6,535.01 and 1,891.20 is: 2,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.91 : 6,535.01 = 1,891.20 : x
  2. Step 2: Convert to fraction form
    4,355.91/6,535.01 = 1,891.20/x
  3. Step 3: Cross multiply
    4,355.91x = 6,535.01 × 1,891.20
  4. Step 4: Simplify right side
    4,355.91x = 12,359,001.46
  5. Step 5: Solve for x
    x = 12,359,001.46/4,355.91
  6. Step 6: Final answer
    x = 2,837.29

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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.