Home / 4,007.94-5,529.48-2,515.31

Finding the Fourth Proportional to 4,007.94, 5,529.48 and 2,515.31

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Solution

The fourth proportional to 4,007.94, 5,529.48 and 2,515.31 is: 3,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.94 : 5,529.48 = 2,515.31 : x
  2. Step 2: Convert to fraction form
    4,007.94/5,529.48 = 2,515.31/x
  3. Step 3: Cross multiply
    4,007.94x = 5,529.48 × 2,515.31
  4. Step 4: Simplify right side
    4,007.94x = 13,908,370.16
  5. Step 5: Solve for x
    x = 13,908,370.16/4,007.94
  6. Step 6: Final answer
    x = 3,470.20

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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.