Home / 4,888.47-6,744.32-3,210.79

Finding the Fourth Proportional to 4,888.47, 6,744.32 and 3,210.79

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Solution

The fourth proportional to 4,888.47, 6,744.32 and 3,210.79 is: 4,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.47 : 6,744.32 = 3,210.79 : x
  2. Step 2: Convert to fraction form
    4,888.47/6,744.32 = 3,210.79/x
  3. Step 3: Cross multiply
    4,888.47x = 6,744.32 × 3,210.79
  4. Step 4: Simplify right side
    4,888.47x = 21,654,586.38
  5. Step 5: Solve for x
    x = 21,654,586.38/4,888.47
  6. Step 6: Final answer
    x = 4,429.73

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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.