Home / 6,856.32-10,287.36-4,392.48

Finding the Fourth Proportional to 6,856.32, 10,287.36 and 4,392.48

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Solution

The fourth proportional to 6,856.32, 10,287.36 and 4,392.48 is: 6,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.32 : 10,287.36 = 4,392.48 : x
  2. Step 2: Convert to fraction form
    6,856.32/10,287.36 = 4,392.48/x
  3. Step 3: Cross multiply
    6,856.32x = 10,287.36 × 4,392.48
  4. Step 4: Simplify right side
    6,856.32x = 45,187,023.05
  5. Step 5: Solve for x
    x = 45,187,023.05/6,856.32
  6. Step 6: Final answer
    x = 6,590.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.