Home / 4,669.78-6,444.54-2,680.66

Finding the Fourth Proportional to 4,669.78, 6,444.54 and 2,680.66

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Solution

The fourth proportional to 4,669.78, 6,444.54 and 2,680.66 is: 3,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.78 : 6,444.54 = 2,680.66 : x
  2. Step 2: Convert to fraction form
    4,669.78/6,444.54 = 2,680.66/x
  3. Step 3: Cross multiply
    4,669.78x = 6,444.54 × 2,680.66
  4. Step 4: Simplify right side
    4,669.78x = 17,275,620.60
  5. Step 5: Solve for x
    x = 17,275,620.60/4,669.78
  6. Step 6: Final answer
    x = 3,699.45

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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.