Home / 7,518.02-11,279.41-2,587.93

Finding the Fourth Proportional to 7,518.02, 11,279.41 and 2,587.93

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Solution

The fourth proportional to 7,518.02, 11,279.41 and 2,587.93 is: 3,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.02 : 11,279.41 = 2,587.93 : x
  2. Step 2: Convert to fraction form
    7,518.02/11,279.41 = 2,587.93/x
  3. Step 3: Cross multiply
    7,518.02x = 11,279.41 × 2,587.93
  4. Step 4: Simplify right side
    7,518.02x = 29,190,288.85
  5. Step 5: Solve for x
    x = 29,190,288.85/7,518.02
  6. Step 6: Final answer
    x = 3,882.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.