Home / 4,377.80-6,567.03-1,257.79

Finding the Fourth Proportional to 4,377.80, 6,567.03 and 1,257.79

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Solution

The fourth proportional to 4,377.80, 6,567.03 and 1,257.79 is: 1,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.80 : 6,567.03 = 1,257.79 : x
  2. Step 2: Convert to fraction form
    4,377.80/6,567.03 = 1,257.79/x
  3. Step 3: Cross multiply
    4,377.80x = 6,567.03 × 1,257.79
  4. Step 4: Simplify right side
    4,377.80x = 8,259,928.25
  5. Step 5: Solve for x
    x = 8,259,928.25/4,377.80
  6. Step 6: Final answer
    x = 1,886.77

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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.