Home / 7,519.13-11,280.11-2,840.52

Finding the Fourth Proportional to 7,519.13, 11,280.11 and 2,840.52

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Solution

The fourth proportional to 7,519.13, 11,280.11 and 2,840.52 is: 4,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.13 : 11,280.11 = 2,840.52 : x
  2. Step 2: Convert to fraction form
    7,519.13/11,280.11 = 2,840.52/x
  3. Step 3: Cross multiply
    7,519.13x = 11,280.11 × 2,840.52
  4. Step 4: Simplify right side
    7,519.13x = 32,041,358.68
  5. Step 5: Solve for x
    x = 32,041,358.68/7,519.13
  6. Step 6: Final answer
    x = 4,261.31

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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.