Home / 4,868.52-6,718.82-2,979.51

Finding the Fourth Proportional to 4,868.52, 6,718.82 and 2,979.51

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Solution

The fourth proportional to 4,868.52, 6,718.82 and 2,979.51 is: 4,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.52 : 6,718.82 = 2,979.51 : x
  2. Step 2: Convert to fraction form
    4,868.52/6,718.82 = 2,979.51/x
  3. Step 3: Cross multiply
    4,868.52x = 6,718.82 × 2,979.51
  4. Step 4: Simplify right side
    4,868.52x = 20,018,776.48
  5. Step 5: Solve for x
    x = 20,018,776.48/4,868.52
  6. Step 6: Final answer
    x = 4,111.88

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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.