Home / 5,239.76-7,860.62-1,730.02

Finding the Fourth Proportional to 5,239.76, 7,860.62 and 1,730.02

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Solution

The fourth proportional to 5,239.76, 7,860.62 and 1,730.02 is: 2,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.76 : 7,860.62 = 1,730.02 : x
  2. Step 2: Convert to fraction form
    5,239.76/7,860.62 = 1,730.02/x
  3. Step 3: Cross multiply
    5,239.76x = 7,860.62 × 1,730.02
  4. Step 4: Simplify right side
    5,239.76x = 13,598,981.86
  5. Step 5: Solve for x
    x = 13,598,981.86/5,239.76
  6. Step 6: Final answer
    x = 2,595.34

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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.