Home / 5,088.40-7,623.48-1,799.39

Finding the Fourth Proportional to 5,088.40, 7,623.48 and 1,799.39

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Solution

The fourth proportional to 5,088.40, 7,623.48 and 1,799.39 is: 2,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.40 : 7,623.48 = 1,799.39 : x
  2. Step 2: Convert to fraction form
    5,088.40/7,623.48 = 1,799.39/x
  3. Step 3: Cross multiply
    5,088.40x = 7,623.48 × 1,799.39
  4. Step 4: Simplify right side
    5,088.40x = 13,717,613.68
  5. Step 5: Solve for x
    x = 13,717,613.68/5,088.40
  6. Step 6: Final answer
    x = 2,695.86

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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.