Home / 6,429.61-9,641.82-4,350.22

Finding the Fourth Proportional to 6,429.61, 9,641.82 and 4,350.22

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Solution

The fourth proportional to 6,429.61, 9,641.82 and 4,350.22 is: 6,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.61 : 9,641.82 = 4,350.22 : x
  2. Step 2: Convert to fraction form
    6,429.61/9,641.82 = 4,350.22/x
  3. Step 3: Cross multiply
    6,429.61x = 9,641.82 × 4,350.22
  4. Step 4: Simplify right side
    6,429.61x = 41,944,038.20
  5. Step 5: Solve for x
    x = 41,944,038.20/6,429.61
  6. Step 6: Final answer
    x = 6,523.57

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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.