Home / 4,218.24-6,330.72-2,371.20

Finding the Fourth Proportional to 4,218.24, 6,330.72 and 2,371.20

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Solution

The fourth proportional to 4,218.24, 6,330.72 and 2,371.20 is: 3,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.24 : 6,330.72 = 2,371.20 : x
  2. Step 2: Convert to fraction form
    4,218.24/6,330.72 = 2,371.20/x
  3. Step 3: Cross multiply
    4,218.24x = 6,330.72 × 2,371.20
  4. Step 4: Simplify right side
    4,218.24x = 15,011,403.26
  5. Step 5: Solve for x
    x = 15,011,403.26/4,218.24
  6. Step 6: Final answer
    x = 3,558.69

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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.