Home / 4,442.10-6,663.15-1,155.20

Finding the Fourth Proportional to 4,442.10, 6,663.15 and 1,155.20

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Solution

The fourth proportional to 4,442.10, 6,663.15 and 1,155.20 is: 1,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.10 : 6,663.15 = 1,155.20 : x
  2. Step 2: Convert to fraction form
    4,442.10/6,663.15 = 1,155.20/x
  3. Step 3: Cross multiply
    4,442.10x = 6,663.15 × 1,155.20
  4. Step 4: Simplify right side
    4,442.10x = 7,697,237.56
  5. Step 5: Solve for x
    x = 7,697,237.56/4,442.10
  6. Step 6: Final answer
    x = 1,732.79

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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.