Home / 7,507.12-11,260.56-2,890

Finding the Fourth Proportional to 7,507.12, 11,260.56 and 2,890

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Solution

The fourth proportional to 7,507.12, 11,260.56 and 2,890 is: 4,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.12 : 11,260.56 = 2,890 : x
  2. Step 2: Convert to fraction form
    7,507.12/11,260.56 = 2,890/x
  3. Step 3: Cross multiply
    7,507.12x = 11,260.56 × 2,890
  4. Step 4: Simplify right side
    7,507.12x = 32,543,018.40
  5. Step 5: Solve for x
    x = 32,543,018.40/7,507.12
  6. Step 6: Final answer
    x = 4,334.95

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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.