Home / 8,376.45-12,565.80-4,429.62

Finding the Fourth Proportional to 8,376.45, 12,565.80 and 4,429.62

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Solution

The fourth proportional to 8,376.45, 12,565.80 and 4,429.62 is: 6,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.45 : 12,565.80 = 4,429.62 : x
  2. Step 2: Convert to fraction form
    8,376.45/12,565.80 = 4,429.62/x
  3. Step 3: Cross multiply
    8,376.45x = 12,565.80 × 4,429.62
  4. Step 4: Simplify right side
    8,376.45x = 55,661,719.00
  5. Step 5: Solve for x
    x = 55,661,719.00/8,376.45
  6. Step 6: Final answer
    x = 6,645.02

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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.