Home / 5,246.12-7,869.02-2,471.21

Finding the Fourth Proportional to 5,246.12, 7,869.02 and 2,471.21

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Solution

The fourth proportional to 5,246.12, 7,869.02 and 2,471.21 is: 3,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.12 : 7,869.02 = 2,471.21 : x
  2. Step 2: Convert to fraction form
    5,246.12/7,869.02 = 2,471.21/x
  3. Step 3: Cross multiply
    5,246.12x = 7,869.02 × 2,471.21
  4. Step 4: Simplify right side
    5,246.12x = 19,445,967.75
  5. Step 5: Solve for x
    x = 19,445,967.75/5,246.12
  6. Step 6: Final answer
    x = 3,706.74

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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.