Home / 7,486.56-11,228.40-2,291.76

Finding the Fourth Proportional to 7,486.56, 11,228.40 and 2,291.76

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Solution

The fourth proportional to 7,486.56, 11,228.40 and 2,291.76 is: 3,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.56 : 11,228.40 = 2,291.76 : x
  2. Step 2: Convert to fraction form
    7,486.56/11,228.40 = 2,291.76/x
  3. Step 3: Cross multiply
    7,486.56x = 11,228.40 × 2,291.76
  4. Step 4: Simplify right side
    7,486.56x = 25,732,797.98
  5. Step 5: Solve for x
    x = 25,732,797.98/7,486.56
  6. Step 6: Final answer
    x = 3,437.20

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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.