Home / 4,215.38-6,320.36-1,751.90

Finding the Fourth Proportional to 4,215.38, 6,320.36 and 1,751.90

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Solution

The fourth proportional to 4,215.38, 6,320.36 and 1,751.90 is: 2,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.38 : 6,320.36 = 1,751.90 : x
  2. Step 2: Convert to fraction form
    4,215.38/6,320.36 = 1,751.90/x
  3. Step 3: Cross multiply
    4,215.38x = 6,320.36 × 1,751.90
  4. Step 4: Simplify right side
    4,215.38x = 11,072,638.68
  5. Step 5: Solve for x
    x = 11,072,638.68/4,215.38
  6. Step 6: Final answer
    x = 2,626.72

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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.