Home / 6,199.72-8,555.52-3,547.78

Finding the Fourth Proportional to 6,199.72, 8,555.52 and 3,547.78

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Solution

The fourth proportional to 6,199.72, 8,555.52 and 3,547.78 is: 4,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.72 : 8,555.52 = 3,547.78 : x
  2. Step 2: Convert to fraction form
    6,199.72/8,555.52 = 3,547.78/x
  3. Step 3: Cross multiply
    6,199.72x = 8,555.52 × 3,547.78
  4. Step 4: Simplify right side
    6,199.72x = 30,353,102.75
  5. Step 5: Solve for x
    x = 30,353,102.75/6,199.72
  6. Step 6: Final answer
    x = 4,895.88

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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.