Home / 6,139.54-8,472.66-3,345.04

Finding the Fourth Proportional to 6,139.54, 8,472.66 and 3,345.04

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Solution

The fourth proportional to 6,139.54, 8,472.66 and 3,345.04 is: 4,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.54 : 8,472.66 = 3,345.04 : x
  2. Step 2: Convert to fraction form
    6,139.54/8,472.66 = 3,345.04/x
  3. Step 3: Cross multiply
    6,139.54x = 8,472.66 × 3,345.04
  4. Step 4: Simplify right side
    6,139.54x = 28,341,386.61
  5. Step 5: Solve for x
    x = 28,341,386.61/6,139.54
  6. Step 6: Final answer
    x = 4,616.21

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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.