Home / 6,143.68-9,210.81-2,854.37

Finding the Fourth Proportional to 6,143.68, 9,210.81 and 2,854.37

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Solution

The fourth proportional to 6,143.68, 9,210.81 and 2,854.37 is: 4,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.68 : 9,210.81 = 2,854.37 : x
  2. Step 2: Convert to fraction form
    6,143.68/9,210.81 = 2,854.37/x
  3. Step 3: Cross multiply
    6,143.68x = 9,210.81 × 2,854.37
  4. Step 4: Simplify right side
    6,143.68x = 26,291,093.47
  5. Step 5: Solve for x
    x = 26,291,093.47/6,143.68
  6. Step 6: Final answer
    x = 4,279.37

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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.