Home / 8,815.30-12,161.96-5,035.74

Finding the Fourth Proportional to 8,815.30, 12,161.96 and 5,035.74

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Solution

The fourth proportional to 8,815.30, 12,161.96 and 5,035.74 is: 6,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.30 : 12,161.96 = 5,035.74 : x
  2. Step 2: Convert to fraction form
    8,815.30/12,161.96 = 5,035.74/x
  3. Step 3: Cross multiply
    8,815.30x = 12,161.96 × 5,035.74
  4. Step 4: Simplify right side
    8,815.30x = 61,244,468.45
  5. Step 5: Solve for x
    x = 61,244,468.45/8,815.30
  6. Step 6: Final answer
    x = 6,947.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.