Home / 4,378.06-6,560.58-4,269.38

Finding the Fourth Proportional to 4,378.06, 6,560.58 and 4,269.38

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Solution

The fourth proportional to 4,378.06, 6,560.58 and 4,269.38 is: 6,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.06 : 6,560.58 = 4,269.38 : x
  2. Step 2: Convert to fraction form
    4,378.06/6,560.58 = 4,269.38/x
  3. Step 3: Cross multiply
    4,378.06x = 6,560.58 × 4,269.38
  4. Step 4: Simplify right side
    4,378.06x = 28,009,609.04
  5. Step 5: Solve for x
    x = 28,009,609.04/4,378.06
  6. Step 6: Final answer
    x = 6,397.72

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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.