Home / 5,087.60-7,631.50-2,312.34

Finding the Fourth Proportional to 5,087.60, 7,631.50 and 2,312.34

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Solution

The fourth proportional to 5,087.60, 7,631.50 and 2,312.34 is: 3,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.60 : 7,631.50 = 2,312.34 : x
  2. Step 2: Convert to fraction form
    5,087.60/7,631.50 = 2,312.34/x
  3. Step 3: Cross multiply
    5,087.60x = 7,631.50 × 2,312.34
  4. Step 4: Simplify right side
    5,087.60x = 17,646,622.71
  5. Step 5: Solve for x
    x = 17,646,622.71/5,087.60
  6. Step 6: Final answer
    x = 3,468.56

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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.