Home / 5,407.66-8,117.16-3,435.58

Finding the Fourth Proportional to 5,407.66, 8,117.16 and 3,435.58

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Solution

The fourth proportional to 5,407.66, 8,117.16 and 3,435.58 is: 5,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.66 : 8,117.16 = 3,435.58 : x
  2. Step 2: Convert to fraction form
    5,407.66/8,117.16 = 3,435.58/x
  3. Step 3: Cross multiply
    5,407.66x = 8,117.16 × 3,435.58
  4. Step 4: Simplify right side
    5,407.66x = 27,887,152.55
  5. Step 5: Solve for x
    x = 27,887,152.55/5,407.66
  6. Step 6: Final answer
    x = 5,156.97

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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.