Home / 4,431.12-6,114.31-2,542.78

Finding the Fourth Proportional to 4,431.12, 6,114.31 and 2,542.78

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Solution

The fourth proportional to 4,431.12, 6,114.31 and 2,542.78 is: 3,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.12 : 6,114.31 = 2,542.78 : x
  2. Step 2: Convert to fraction form
    4,431.12/6,114.31 = 2,542.78/x
  3. Step 3: Cross multiply
    4,431.12x = 6,114.31 × 2,542.78
  4. Step 4: Simplify right side
    4,431.12x = 15,547,345.18
  5. Step 5: Solve for x
    x = 15,547,345.18/4,431.12
  6. Step 6: Final answer
    x = 3,508.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.