Home / 5,392.08-7,439.04-3,154.32

Finding the Fourth Proportional to 5,392.08, 7,439.04 and 3,154.32

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Solution

The fourth proportional to 5,392.08, 7,439.04 and 3,154.32 is: 4,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.08 : 7,439.04 = 3,154.32 : x
  2. Step 2: Convert to fraction form
    5,392.08/7,439.04 = 3,154.32/x
  3. Step 3: Cross multiply
    5,392.08x = 7,439.04 × 3,154.32
  4. Step 4: Simplify right side
    5,392.08x = 23,465,112.65
  5. Step 5: Solve for x
    x = 23,465,112.65/5,392.08
  6. Step 6: Final answer
    x = 4,351.77

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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.