Home / 4,988.49-6,886.89-3,924.15

Finding the Fourth Proportional to 4,988.49, 6,886.89 and 3,924.15

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Solution

The fourth proportional to 4,988.49, 6,886.89 and 3,924.15 is: 5,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.49 : 6,886.89 = 3,924.15 : x
  2. Step 2: Convert to fraction form
    4,988.49/6,886.89 = 3,924.15/x
  3. Step 3: Cross multiply
    4,988.49x = 6,886.89 × 3,924.15
  4. Step 4: Simplify right side
    4,988.49x = 27,025,189.39
  5. Step 5: Solve for x
    x = 27,025,189.39/4,988.49
  6. Step 6: Final answer
    x = 5,417.51

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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.