Home / 5,587.34-8,382.08-2,124.32

Finding the Fourth Proportional to 5,587.34, 8,382.08 and 2,124.32

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Solution

The fourth proportional to 5,587.34, 8,382.08 and 2,124.32 is: 3,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.34 : 8,382.08 = 2,124.32 : x
  2. Step 2: Convert to fraction form
    5,587.34/8,382.08 = 2,124.32/x
  3. Step 3: Cross multiply
    5,587.34x = 8,382.08 × 2,124.32
  4. Step 4: Simplify right side
    5,587.34x = 17,806,178.28
  5. Step 5: Solve for x
    x = 17,806,178.28/5,587.34
  6. Step 6: Final answer
    x = 3,186.88

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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.