Home / 7,454.79-10,288.15-4,470.57

Finding the Fourth Proportional to 7,454.79, 10,288.15 and 4,470.57

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Solution

The fourth proportional to 7,454.79, 10,288.15 and 4,470.57 is: 6,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.79 : 10,288.15 = 4,470.57 : x
  2. Step 2: Convert to fraction form
    7,454.79/10,288.15 = 4,470.57/x
  3. Step 3: Cross multiply
    7,454.79x = 10,288.15 × 4,470.57
  4. Step 4: Simplify right side
    7,454.79x = 45,993,883.57
  5. Step 5: Solve for x
    x = 45,993,883.57/7,454.79
  6. Step 6: Final answer
    x = 6,169.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.