Home / 4,462.29-6,690.33-1,689.12

Finding the Fourth Proportional to 4,462.29, 6,690.33 and 1,689.12

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Solution

The fourth proportional to 4,462.29, 6,690.33 and 1,689.12 is: 2,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.29 : 6,690.33 = 1,689.12 : x
  2. Step 2: Convert to fraction form
    4,462.29/6,690.33 = 1,689.12/x
  3. Step 3: Cross multiply
    4,462.29x = 6,690.33 × 1,689.12
  4. Step 4: Simplify right side
    4,462.29x = 11,300,770.21
  5. Step 5: Solve for x
    x = 11,300,770.21/4,462.29
  6. Step 6: Final answer
    x = 2,532.50

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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.