Home / 8,340.08-12,509.40-2,793.20

Finding the Fourth Proportional to 8,340.08, 12,509.40 and 2,793.20

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Solution

The fourth proportional to 8,340.08, 12,509.40 and 2,793.20 is: 4,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.08 : 12,509.40 = 2,793.20 : x
  2. Step 2: Convert to fraction form
    8,340.08/12,509.40 = 2,793.20/x
  3. Step 3: Cross multiply
    8,340.08x = 12,509.40 × 2,793.20
  4. Step 4: Simplify right side
    8,340.08x = 34,941,256.08
  5. Step 5: Solve for x
    x = 34,941,256.08/8,340.08
  6. Step 6: Final answer
    x = 4,189.56

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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.