Home / 7,237.20-9,987.87-4,050.82

Finding the Fourth Proportional to 7,237.20, 9,987.87 and 4,050.82

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Solution

The fourth proportional to 7,237.20, 9,987.87 and 4,050.82 is: 5,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.20 : 9,987.87 = 4,050.82 : x
  2. Step 2: Convert to fraction form
    7,237.20/9,987.87 = 4,050.82/x
  3. Step 3: Cross multiply
    7,237.20x = 9,987.87 × 4,050.82
  4. Step 4: Simplify right side
    7,237.20x = 40,459,013.61
  5. Step 5: Solve for x
    x = 40,459,013.61/7,237.20
  6. Step 6: Final answer
    x = 5,590.42

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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.