Home / 5,152.32-7,107.84-3,055.68

Finding the Fourth Proportional to 5,152.32, 7,107.84 and 3,055.68

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Solution

The fourth proportional to 5,152.32, 7,107.84 and 3,055.68 is: 4,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.32 : 7,107.84 = 3,055.68 : x
  2. Step 2: Convert to fraction form
    5,152.32/7,107.84 = 3,055.68/x
  3. Step 3: Cross multiply
    5,152.32x = 7,107.84 × 3,055.68
  4. Step 4: Simplify right side
    5,152.32x = 21,719,284.53
  5. Step 5: Solve for x
    x = 21,719,284.53/5,152.32
  6. Step 6: Final answer
    x = 4,215.44

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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.