Home / 4,689.29-6,472.49-2,800.95

Finding the Fourth Proportional to 4,689.29, 6,472.49 and 2,800.95

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Solution

The fourth proportional to 4,689.29, 6,472.49 and 2,800.95 is: 3,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.29 : 6,472.49 = 2,800.95 : x
  2. Step 2: Convert to fraction form
    4,689.29/6,472.49 = 2,800.95/x
  3. Step 3: Cross multiply
    4,689.29x = 6,472.49 × 2,800.95
  4. Step 4: Simplify right side
    4,689.29x = 18,129,164.77
  5. Step 5: Solve for x
    x = 18,129,164.77/4,689.29
  6. Step 6: Final answer
    x = 3,866.08

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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.