Home / 7,106.18-9,807.21-3,962.66

Finding the Fourth Proportional to 7,106.18, 9,807.21 and 3,962.66

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Solution

The fourth proportional to 7,106.18, 9,807.21 and 3,962.66 is: 5,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.18 : 9,807.21 = 3,962.66 : x
  2. Step 2: Convert to fraction form
    7,106.18/9,807.21 = 3,962.66/x
  3. Step 3: Cross multiply
    7,106.18x = 9,807.21 × 3,962.66
  4. Step 4: Simplify right side
    7,106.18x = 38,862,638.78
  5. Step 5: Solve for x
    x = 38,862,638.78/7,106.18
  6. Step 6: Final answer
    x = 5,468.85

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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.