Home / 4,669.78-6,444.45-2,680.69

Finding the Fourth Proportional to 4,669.78, 6,444.45 and 2,680.69

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Solution

The fourth proportional to 4,669.78, 6,444.45 and 2,680.69 is: 3,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.78 : 6,444.45 = 2,680.69 : x
  2. Step 2: Convert to fraction form
    4,669.78/6,444.45 = 2,680.69/x
  3. Step 3: Cross multiply
    4,669.78x = 6,444.45 × 2,680.69
  4. Step 4: Simplify right side
    4,669.78x = 17,275,572.67
  5. Step 5: Solve for x
    x = 17,275,572.67/4,669.78
  6. Step 6: Final answer
    x = 3,699.44

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Half scale
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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.