Home / 6,987.16-9,644.33-4,156.52

Finding the Fourth Proportional to 6,987.16, 9,644.33 and 4,156.52

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Solution

The fourth proportional to 6,987.16, 9,644.33 and 4,156.52 is: 5,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.16 : 9,644.33 = 4,156.52 : x
  2. Step 2: Convert to fraction form
    6,987.16/9,644.33 = 4,156.52/x
  3. Step 3: Cross multiply
    6,987.16x = 9,644.33 × 4,156.52
  4. Step 4: Simplify right side
    6,987.16x = 40,086,829.75
  5. Step 5: Solve for x
    x = 40,086,829.75/6,987.16
  6. Step 6: Final answer
    x = 5,737.22

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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.