Home / 4,374.14-6,557.56-1,778.90

Finding the Fourth Proportional to 4,374.14, 6,557.56 and 1,778.90

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Solution

The fourth proportional to 4,374.14, 6,557.56 and 1,778.90 is: 2,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.14 : 6,557.56 = 1,778.90 : x
  2. Step 2: Convert to fraction form
    4,374.14/6,557.56 = 1,778.90/x
  3. Step 3: Cross multiply
    4,374.14x = 6,557.56 × 1,778.90
  4. Step 4: Simplify right side
    4,374.14x = 11,665,206.25
  5. Step 5: Solve for x
    x = 11,665,206.25/4,374.14
  6. Step 6: Final answer
    x = 2,666.86

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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.