Home / 7,117.44-10,684.80-4,531.20

Finding the Fourth Proportional to 7,117.44, 10,684.80 and 4,531.20

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Solution

The fourth proportional to 7,117.44, 10,684.80 and 4,531.20 is: 6,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.44 : 10,684.80 = 4,531.20 : x
  2. Step 2: Convert to fraction form
    7,117.44/10,684.80 = 4,531.20/x
  3. Step 3: Cross multiply
    7,117.44x = 10,684.80 × 4,531.20
  4. Step 4: Simplify right side
    7,117.44x = 48,414,965.76
  5. Step 5: Solve for x
    x = 48,414,965.76/7,117.44
  6. Step 6: Final answer
    x = 6,802.30

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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.