Home / 4,372.64-6,555.31-2,178.35

Finding the Fourth Proportional to 4,372.64, 6,555.31 and 2,178.35

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Solution

The fourth proportional to 4,372.64, 6,555.31 and 2,178.35 is: 3,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.64 : 6,555.31 = 2,178.35 : x
  2. Step 2: Convert to fraction form
    4,372.64/6,555.31 = 2,178.35/x
  3. Step 3: Cross multiply
    4,372.64x = 6,555.31 × 2,178.35
  4. Step 4: Simplify right side
    4,372.64x = 14,279,715.87
  5. Step 5: Solve for x
    x = 14,279,715.87/4,372.64
  6. Step 6: Final answer
    x = 3,265.70

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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.