Home / 8,362.24-12,543.36-2,518.88

Finding the Fourth Proportional to 8,362.24, 12,543.36 and 2,518.88

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Solution

The fourth proportional to 8,362.24, 12,543.36 and 2,518.88 is: 3,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.24 : 12,543.36 = 2,518.88 : x
  2. Step 2: Convert to fraction form
    8,362.24/12,543.36 = 2,518.88/x
  3. Step 3: Cross multiply
    8,362.24x = 12,543.36 × 2,518.88
  4. Step 4: Simplify right side
    8,362.24x = 31,595,218.64
  5. Step 5: Solve for x
    x = 31,595,218.64/8,362.24
  6. Step 6: Final answer
    x = 3,778.32

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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.