Home / 7,515.83-11,265.02-2,832.84

Finding the Fourth Proportional to 7,515.83, 11,265.02 and 2,832.84

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Solution

The fourth proportional to 7,515.83, 11,265.02 and 2,832.84 is: 4,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.83 : 11,265.02 = 2,832.84 : x
  2. Step 2: Convert to fraction form
    7,515.83/11,265.02 = 2,832.84/x
  3. Step 3: Cross multiply
    7,515.83x = 11,265.02 × 2,832.84
  4. Step 4: Simplify right side
    7,515.83x = 31,911,964.13
  5. Step 5: Solve for x
    x = 31,911,964.13/7,515.83
  6. Step 6: Final answer
    x = 4,245.97

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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.