Home / 4,242.60-6,364.26-1,122.57

Finding the Fourth Proportional to 4,242.60, 6,364.26 and 1,122.57

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Solution

The fourth proportional to 4,242.60, 6,364.26 and 1,122.57 is: 1,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.60 : 6,364.26 = 1,122.57 : x
  2. Step 2: Convert to fraction form
    4,242.60/6,364.26 = 1,122.57/x
  3. Step 3: Cross multiply
    4,242.60x = 6,364.26 × 1,122.57
  4. Step 4: Simplify right side
    4,242.60x = 7,144,327.35
  5. Step 5: Solve for x
    x = 7,144,327.35/4,242.60
  6. Step 6: Final answer
    x = 1,683.95

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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.