Home / 8,439.32-11,646.09-4,662.52

Finding the Fourth Proportional to 8,439.32, 11,646.09 and 4,662.52

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Solution

The fourth proportional to 8,439.32, 11,646.09 and 4,662.52 is: 6,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.32 : 11,646.09 = 4,662.52 : x
  2. Step 2: Convert to fraction form
    8,439.32/11,646.09 = 4,662.52/x
  3. Step 3: Cross multiply
    8,439.32x = 11,646.09 × 4,662.52
  4. Step 4: Simplify right side
    8,439.32x = 54,300,168.32
  5. Step 5: Solve for x
    x = 54,300,168.32/8,439.32
  6. Step 6: Final answer
    x = 6,434.19

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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.