Home / 5,405.38-7,461.29-3,167.98

Finding the Fourth Proportional to 5,405.38, 7,461.29 and 3,167.98

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Solution

The fourth proportional to 5,405.38, 7,461.29 and 3,167.98 is: 4,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.38 : 7,461.29 = 3,167.98 : x
  2. Step 2: Convert to fraction form
    5,405.38/7,461.29 = 3,167.98/x
  3. Step 3: Cross multiply
    5,405.38x = 7,461.29 × 3,167.98
  4. Step 4: Simplify right side
    5,405.38x = 23,637,206.76
  5. Step 5: Solve for x
    x = 23,637,206.76/5,405.38
  6. Step 6: Final answer
    x = 4,372.91

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1.5x scale

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.