Home / 7,515.95-11,275.77-2,321.82

Finding the Fourth Proportional to 7,515.95, 11,275.77 and 2,321.82

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Solution

The fourth proportional to 7,515.95, 11,275.77 and 2,321.82 is: 3,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.95 : 11,275.77 = 2,321.82 : x
  2. Step 2: Convert to fraction form
    7,515.95/11,275.77 = 2,321.82/x
  3. Step 3: Cross multiply
    7,515.95x = 11,275.77 × 2,321.82
  4. Step 4: Simplify right side
    7,515.95x = 26,180,308.30
  5. Step 5: Solve for x
    x = 26,180,308.30/7,515.95
  6. Step 6: Final answer
    x = 3,483.30

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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.