Home / 4,456.62-6,686.55-2,117.34

Finding the Fourth Proportional to 4,456.62, 6,686.55 and 2,117.34

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Solution

The fourth proportional to 4,456.62, 6,686.55 and 2,117.34 is: 3,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.62 : 6,686.55 = 2,117.34 : x
  2. Step 2: Convert to fraction form
    4,456.62/6,686.55 = 2,117.34/x
  3. Step 3: Cross multiply
    4,456.62x = 6,686.55 × 2,117.34
  4. Step 4: Simplify right side
    4,456.62x = 14,157,699.78
  5. Step 5: Solve for x
    x = 14,157,699.78/4,456.62
  6. Step 6: Final answer
    x = 3,176.78

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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.