Home / 7,475.06-11,214.20-2,280.80

Finding the Fourth Proportional to 7,475.06, 11,214.20 and 2,280.80

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Solution

The fourth proportional to 7,475.06, 11,214.20 and 2,280.80 is: 3,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.06 : 11,214.20 = 2,280.80 : x
  2. Step 2: Convert to fraction form
    7,475.06/11,214.20 = 2,280.80/x
  3. Step 3: Cross multiply
    7,475.06x = 11,214.20 × 2,280.80
  4. Step 4: Simplify right side
    7,475.06x = 25,577,347.36
  5. Step 5: Solve for x
    x = 25,577,347.36/7,475.06
  6. Step 6: Final answer
    x = 3,421.69

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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.