Home / 4,140.13-6,210.20-1,947.26

Finding the Fourth Proportional to 4,140.13, 6,210.20 and 1,947.26

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Solution

The fourth proportional to 4,140.13, 6,210.20 and 1,947.26 is: 2,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.13 : 6,210.20 = 1,947.26 : x
  2. Step 2: Convert to fraction form
    4,140.13/6,210.20 = 1,947.26/x
  3. Step 3: Cross multiply
    4,140.13x = 6,210.20 × 1,947.26
  4. Step 4: Simplify right side
    4,140.13x = 12,092,874.05
  5. Step 5: Solve for x
    x = 12,092,874.05/4,140.13
  6. Step 6: Final answer
    x = 2,920.89

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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.