Home / 5,711.60-7,867.34-4,030.04

Finding the Fourth Proportional to 5,711.60, 7,867.34 and 4,030.04

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Solution

The fourth proportional to 5,711.60, 7,867.34 and 4,030.04 is: 5,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.60 : 7,867.34 = 4,030.04 : x
  2. Step 2: Convert to fraction form
    5,711.60/7,867.34 = 4,030.04/x
  3. Step 3: Cross multiply
    5,711.60x = 7,867.34 × 4,030.04
  4. Step 4: Simplify right side
    5,711.60x = 31,705,694.89
  5. Step 5: Solve for x
    x = 31,705,694.89/5,711.60
  6. Step 6: Final answer
    x = 5,551.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.