Home / 4,242.08-6,360.96-2,857.52

Finding the Fourth Proportional to 4,242.08, 6,360.96 and 2,857.52

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Solution

The fourth proportional to 4,242.08, 6,360.96 and 2,857.52 is: 4,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.08 : 6,360.96 = 2,857.52 : x
  2. Step 2: Convert to fraction form
    4,242.08/6,360.96 = 2,857.52/x
  3. Step 3: Cross multiply
    4,242.08x = 6,360.96 × 2,857.52
  4. Step 4: Simplify right side
    4,242.08x = 18,176,570.42
  5. Step 5: Solve for x
    x = 18,176,570.42/4,242.08
  6. Step 6: Final answer
    x = 4,284.82

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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.