Home / 4,454.76-6,681.78-1,122.96

Finding the Fourth Proportional to 4,454.76, 6,681.78 and 1,122.96

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Solution

The fourth proportional to 4,454.76, 6,681.78 and 1,122.96 is: 1,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.76 : 6,681.78 = 1,122.96 : x
  2. Step 2: Convert to fraction form
    4,454.76/6,681.78 = 1,122.96/x
  3. Step 3: Cross multiply
    4,454.76x = 6,681.78 × 1,122.96
  4. Step 4: Simplify right side
    4,454.76x = 7,503,371.67
  5. Step 5: Solve for x
    x = 7,503,371.67/4,454.76
  6. Step 6: Final answer
    x = 1,684.35

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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.