Home / 5,167-7,130.46-3,070.72

Finding the Fourth Proportional to 5,167, 7,130.46 and 3,070.72

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Solution

The fourth proportional to 5,167, 7,130.46 and 3,070.72 is: 4,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167 : 7,130.46 = 3,070.72 : x
  2. Step 2: Convert to fraction form
    5,167/7,130.46 = 3,070.72/x
  3. Step 3: Cross multiply
    5,167x = 7,130.46 × 3,070.72
  4. Step 4: Simplify right side
    5,167x = 21,895,646.13
  5. Step 5: Solve for x
    x = 21,895,646.13/5,167
  6. Step 6: Final answer
    x = 4,237.59

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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.