Home / 7,268.20-10,031.24-4,285

Finding the Fourth Proportional to 7,268.20, 10,031.24 and 4,285

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Solution

The fourth proportional to 7,268.20, 10,031.24 and 4,285 is: 5,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.20 : 10,031.24 = 4,285 : x
  2. Step 2: Convert to fraction form
    7,268.20/10,031.24 = 4,285/x
  3. Step 3: Cross multiply
    7,268.20x = 10,031.24 × 4,285
  4. Step 4: Simplify right side
    7,268.20x = 42,983,863.40
  5. Step 5: Solve for x
    x = 42,983,863.40/7,268.20
  6. Step 6: Final answer
    x = 5,913.96

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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.