Home / 6,275.72-8,657.34-4,286.36

Finding the Fourth Proportional to 6,275.72, 8,657.34 and 4,286.36

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Solution

The fourth proportional to 6,275.72, 8,657.34 and 4,286.36 is: 5,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.72 : 8,657.34 = 4,286.36 : x
  2. Step 2: Convert to fraction form
    6,275.72/8,657.34 = 4,286.36/x
  3. Step 3: Cross multiply
    6,275.72x = 8,657.34 × 4,286.36
  4. Step 4: Simplify right side
    6,275.72x = 37,108,475.88
  5. Step 5: Solve for x
    x = 37,108,475.88/6,275.72
  6. Step 6: Final answer
    x = 5,913.02

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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.