Home / 7,875.70-11,815.59-2,328.82

Finding the Fourth Proportional to 7,875.70, 11,815.59 and 2,328.82

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Solution

The fourth proportional to 7,875.70, 11,815.59 and 2,328.82 is: 3,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.70 : 11,815.59 = 2,328.82 : x
  2. Step 2: Convert to fraction form
    7,875.70/11,815.59 = 2,328.82/x
  3. Step 3: Cross multiply
    7,875.70x = 11,815.59 × 2,328.82
  4. Step 4: Simplify right side
    7,875.70x = 27,516,382.30
  5. Step 5: Solve for x
    x = 27,516,382.30/7,875.70
  6. Step 6: Final answer
    x = 3,493.83

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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.