Home / 4,242.57-6,366.33-1,777.18

Finding the Fourth Proportional to 4,242.57, 6,366.33 and 1,777.18

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Solution

The fourth proportional to 4,242.57, 6,366.33 and 1,777.18 is: 2,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.57 : 6,366.33 = 1,777.18 : x
  2. Step 2: Convert to fraction form
    4,242.57/6,366.33 = 1,777.18/x
  3. Step 3: Cross multiply
    4,242.57x = 6,366.33 × 1,777.18
  4. Step 4: Simplify right side
    4,242.57x = 11,314,114.35
  5. Step 5: Solve for x
    x = 11,314,114.35/4,242.57
  6. Step 6: Final answer
    x = 2,666.81

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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.