Home / 4,407.50-6,611.29-1,445.90

Finding the Fourth Proportional to 4,407.50, 6,611.29 and 1,445.90

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Solution

The fourth proportional to 4,407.50, 6,611.29 and 1,445.90 is: 2,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.50 : 6,611.29 = 1,445.90 : x
  2. Step 2: Convert to fraction form
    4,407.50/6,611.29 = 1,445.90/x
  3. Step 3: Cross multiply
    4,407.50x = 6,611.29 × 1,445.90
  4. Step 4: Simplify right side
    4,407.50x = 9,559,264.21
  5. Step 5: Solve for x
    x = 9,559,264.21/4,407.50
  6. Step 6: Final answer
    x = 2,168.86

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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.