Home / 6,421.72-9,635.36-2,264.70

Finding the Fourth Proportional to 6,421.72, 9,635.36 and 2,264.70

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Solution

The fourth proportional to 6,421.72, 9,635.36 and 2,264.70 is: 3,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.72 : 9,635.36 = 2,264.70 : x
  2. Step 2: Convert to fraction form
    6,421.72/9,635.36 = 2,264.70/x
  3. Step 3: Cross multiply
    6,421.72x = 9,635.36 × 2,264.70
  4. Step 4: Simplify right side
    6,421.72x = 21,821,140.29
  5. Step 5: Solve for x
    x = 21,821,140.29/6,421.72
  6. Step 6: Final answer
    x = 3,398.02

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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.