Home / 5,098.53-7,649.01-1,811.91

Finding the Fourth Proportional to 5,098.53, 7,649.01 and 1,811.91

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Solution

The fourth proportional to 5,098.53, 7,649.01 and 1,811.91 is: 2,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.53 : 7,649.01 = 1,811.91 : x
  2. Step 2: Convert to fraction form
    5,098.53/7,649.01 = 1,811.91/x
  3. Step 3: Cross multiply
    5,098.53x = 7,649.01 × 1,811.91
  4. Step 4: Simplify right side
    5,098.53x = 13,859,317.71
  5. Step 5: Solve for x
    x = 13,859,317.71/5,098.53
  6. Step 6: Final answer
    x = 2,718.30

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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.