Home / 5,312.41-7,960.29-3,360.49

Finding the Fourth Proportional to 5,312.41, 7,960.29 and 3,360.49

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Solution

The fourth proportional to 5,312.41, 7,960.29 and 3,360.49 is: 5,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.41 : 7,960.29 = 3,360.49 : x
  2. Step 2: Convert to fraction form
    5,312.41/7,960.29 = 3,360.49/x
  3. Step 3: Cross multiply
    5,312.41x = 7,960.29 × 3,360.49
  4. Step 4: Simplify right side
    5,312.41x = 26,750,503.24
  5. Step 5: Solve for x
    x = 26,750,503.24/5,312.41
  6. Step 6: Final answer
    x = 5,035.47

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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.