Home / 6,412.52-8,853.36-5,236.40

Finding the Fourth Proportional to 6,412.52, 8,853.36 and 5,236.40

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Solution

The fourth proportional to 6,412.52, 8,853.36 and 5,236.40 is: 7,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.52 : 8,853.36 = 5,236.40 : x
  2. Step 2: Convert to fraction form
    6,412.52/8,853.36 = 5,236.40/x
  3. Step 3: Cross multiply
    6,412.52x = 8,853.36 × 5,236.40
  4. Step 4: Simplify right side
    6,412.52x = 46,359,734.30
  5. Step 5: Solve for x
    x = 46,359,734.30/6,412.52
  6. Step 6: Final answer
    x = 7,229.57

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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.