Home / 5,301.26-7,319.40-3,312.80

Finding the Fourth Proportional to 5,301.26, 7,319.40 and 3,312.80

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Solution

The fourth proportional to 5,301.26, 7,319.40 and 3,312.80 is: 4,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.26 : 7,319.40 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    5,301.26/7,319.40 = 3,312.80/x
  3. Step 3: Cross multiply
    5,301.26x = 7,319.40 × 3,312.80
  4. Step 4: Simplify right side
    5,301.26x = 24,247,708.32
  5. Step 5: Solve for x
    x = 24,247,708.32/5,301.26
  6. Step 6: Final answer
    x = 4,573.95

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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.