Home / 5,208.08-7,812.52-1,510.36

Finding the Fourth Proportional to 5,208.08, 7,812.52 and 1,510.36

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Solution

The fourth proportional to 5,208.08, 7,812.52 and 1,510.36 is: 2,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.08 : 7,812.52 = 1,510.36 : x
  2. Step 2: Convert to fraction form
    5,208.08/7,812.52 = 1,510.36/x
  3. Step 3: Cross multiply
    5,208.08x = 7,812.52 × 1,510.36
  4. Step 4: Simplify right side
    5,208.08x = 11,799,694.40
  5. Step 5: Solve for x
    x = 11,799,694.40/5,208.08
  6. Step 6: Final answer
    x = 2,265.65

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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.