Home / 5,312.27-7,960.10-3,360.38

Finding the Fourth Proportional to 5,312.27, 7,960.10 and 3,360.38

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Solution

The fourth proportional to 5,312.27, 7,960.10 and 3,360.38 is: 5,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.27 : 7,960.10 = 3,360.38 : x
  2. Step 2: Convert to fraction form
    5,312.27/7,960.10 = 3,360.38/x
  3. Step 3: Cross multiply
    5,312.27x = 7,960.10 × 3,360.38
  4. Step 4: Simplify right side
    5,312.27x = 26,748,904.24
  5. Step 5: Solve for x
    x = 26,748,904.24/5,312.27
  6. Step 6: Final answer
    x = 5,035.30

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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.