Home / 4,439.08-6,128.28-3,442.12

Finding the Fourth Proportional to 4,439.08, 6,128.28 and 3,442.12

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Solution

The fourth proportional to 4,439.08, 6,128.28 and 3,442.12 is: 4,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.08 : 6,128.28 = 3,442.12 : x
  2. Step 2: Convert to fraction form
    4,439.08/6,128.28 = 3,442.12/x
  3. Step 3: Cross multiply
    4,439.08x = 6,128.28 × 3,442.12
  4. Step 4: Simplify right side
    4,439.08x = 21,094,275.15
  5. Step 5: Solve for x
    x = 21,094,275.15/4,439.08
  6. Step 6: Final answer
    x = 4,751.95

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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.