Home / 7,237.08-9,987.30-4,093.92

Finding the Fourth Proportional to 7,237.08, 9,987.30 and 4,093.92

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Solution

The fourth proportional to 7,237.08, 9,987.30 and 4,093.92 is: 5,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.08 : 9,987.30 = 4,093.92 : x
  2. Step 2: Convert to fraction form
    7,237.08/9,987.30 = 4,093.92/x
  3. Step 3: Cross multiply
    7,237.08x = 9,987.30 × 4,093.92
  4. Step 4: Simplify right side
    7,237.08x = 40,887,207.22
  5. Step 5: Solve for x
    x = 40,887,207.22/7,237.08
  6. Step 6: Final answer
    x = 5,649.68

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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.