Home / 6,350.43-9,521.19-3,430.65

Finding the Fourth Proportional to 6,350.43, 9,521.19 and 3,430.65

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Solution

The fourth proportional to 6,350.43, 9,521.19 and 3,430.65 is: 5,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,350.43 : 9,521.19 = 3,430.65 : x
  2. Step 2: Convert to fraction form
    6,350.43/9,521.19 = 3,430.65/x
  3. Step 3: Cross multiply
    6,350.43x = 9,521.19 × 3,430.65
  4. Step 4: Simplify right side
    6,350.43x = 32,663,870.47
  5. Step 5: Solve for x
    x = 32,663,870.47/6,350.43
  6. Step 6: Final answer
    x = 5,143.57

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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.