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Finding the Fourth Proportional to 6,359.58, 8,776.19 and 3,565.08

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Solution

The fourth proportional to 6,359.58, 8,776.19 and 3,565.08 is: 4,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.58 : 8,776.19 = 3,565.08 : x
  2. Step 2: Convert to fraction form
    6,359.58/8,776.19 = 3,565.08/x
  3. Step 3: Cross multiply
    6,359.58x = 8,776.19 × 3,565.08
  4. Step 4: Simplify right side
    6,359.58x = 31,287,819.45
  5. Step 5: Solve for x
    x = 31,287,819.45/6,359.58
  6. Step 6: Final answer
    x = 4,919.79

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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.