Home / 8,438.24-12,648.48-3,501.08

Finding the Fourth Proportional to 8,438.24, 12,648.48 and 3,501.08

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Solution

The fourth proportional to 8,438.24, 12,648.48 and 3,501.08 is: 5,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.24 : 12,648.48 = 3,501.08 : x
  2. Step 2: Convert to fraction form
    8,438.24/12,648.48 = 3,501.08/x
  3. Step 3: Cross multiply
    8,438.24x = 12,648.48 × 3,501.08
  4. Step 4: Simplify right side
    8,438.24x = 44,283,340.36
  5. Step 5: Solve for x
    x = 44,283,340.36/8,438.24
  6. Step 6: Final answer
    x = 5,247.94

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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.