Home / 7,520.08-11,290.20-4,013.20

Finding the Fourth Proportional to 7,520.08, 11,290.20 and 4,013.20

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Solution

The fourth proportional to 7,520.08, 11,290.20 and 4,013.20 is: 6,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.08 : 11,290.20 = 4,013.20 : x
  2. Step 2: Convert to fraction form
    7,520.08/11,290.20 = 4,013.20/x
  3. Step 3: Cross multiply
    7,520.08x = 11,290.20 × 4,013.20
  4. Step 4: Simplify right side
    7,520.08x = 45,309,830.64
  5. Step 5: Solve for x
    x = 45,309,830.64/7,520.08
  6. Step 6: Final answer
    x = 6,025.18

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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.