Home / 7,385.67-11,079.63-2,454.21

Finding the Fourth Proportional to 7,385.67, 11,079.63 and 2,454.21

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Solution

The fourth proportional to 7,385.67, 11,079.63 and 2,454.21 is: 3,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.67 : 11,079.63 = 2,454.21 : x
  2. Step 2: Convert to fraction form
    7,385.67/11,079.63 = 2,454.21/x
  3. Step 3: Cross multiply
    7,385.67x = 11,079.63 × 2,454.21
  4. Step 4: Simplify right side
    7,385.67x = 27,191,738.74
  5. Step 5: Solve for x
    x = 27,191,738.74/7,385.67
  6. Step 6: Final answer
    x = 3,681.69

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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.