Home / 5,356.40-8,020.62-4,310.69

Finding the Fourth Proportional to 5,356.40, 8,020.62 and 4,310.69

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Solution

The fourth proportional to 5,356.40, 8,020.62 and 4,310.69 is: 6,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.40 : 8,020.62 = 4,310.69 : x
  2. Step 2: Convert to fraction form
    5,356.40/8,020.62 = 4,310.69/x
  3. Step 3: Cross multiply
    5,356.40x = 8,020.62 × 4,310.69
  4. Step 4: Simplify right side
    5,356.40x = 34,574,366.32
  5. Step 5: Solve for x
    x = 34,574,366.32/5,356.40
  6. Step 6: Final answer
    x = 6,454.78

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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.