Home / 7,575.40-11,363.74-2,382.76

Finding the Fourth Proportional to 7,575.40, 11,363.74 and 2,382.76

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Solution

The fourth proportional to 7,575.40, 11,363.74 and 2,382.76 is: 3,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.40 : 11,363.74 = 2,382.76 : x
  2. Step 2: Convert to fraction form
    7,575.40/11,363.74 = 2,382.76/x
  3. Step 3: Cross multiply
    7,575.40x = 11,363.74 × 2,382.76
  4. Step 4: Simplify right side
    7,575.40x = 27,077,065.12
  5. Step 5: Solve for x
    x = 27,077,065.12/7,575.40
  6. Step 6: Final answer
    x = 3,574.34

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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.