Home / 7,587.11-11,384.19-2,905.57

Finding the Fourth Proportional to 7,587.11, 11,384.19 and 2,905.57

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Solution

The fourth proportional to 7,587.11, 11,384.19 and 2,905.57 is: 4,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.11 : 11,384.19 = 2,905.57 : x
  2. Step 2: Convert to fraction form
    7,587.11/11,384.19 = 2,905.57/x
  3. Step 3: Cross multiply
    7,587.11x = 11,384.19 × 2,905.57
  4. Step 4: Simplify right side
    7,587.11x = 33,077,489.49
  5. Step 5: Solve for x
    x = 33,077,489.49/7,587.11
  6. Step 6: Final answer
    x = 4,359.70

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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.