Home / 4,622.80-6,920.76-2,886.16

Finding the Fourth Proportional to 4,622.80, 6,920.76 and 2,886.16

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Solution

The fourth proportional to 4,622.80, 6,920.76 and 2,886.16 is: 4,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.80 : 6,920.76 = 2,886.16 : x
  2. Step 2: Convert to fraction form
    4,622.80/6,920.76 = 2,886.16/x
  3. Step 3: Cross multiply
    4,622.80x = 6,920.76 × 2,886.16
  4. Step 4: Simplify right side
    4,622.80x = 19,974,420.68
  5. Step 5: Solve for x
    x = 19,974,420.68/4,622.80
  6. Step 6: Final answer
    x = 4,320.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.