Home / 6,427.40-9,643.92-2,530.76

Finding the Fourth Proportional to 6,427.40, 9,643.92 and 2,530.76

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Solution

The fourth proportional to 6,427.40, 9,643.92 and 2,530.76 is: 3,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.40 : 9,643.92 = 2,530.76 : x
  2. Step 2: Convert to fraction form
    6,427.40/9,643.92 = 2,530.76/x
  3. Step 3: Cross multiply
    6,427.40x = 9,643.92 × 2,530.76
  4. Step 4: Simplify right side
    6,427.40x = 24,406,446.98
  5. Step 5: Solve for x
    x = 24,406,446.98/6,427.40
  6. Step 6: Final answer
    x = 3,797.25

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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.