Home / 7,152.95-10,731.66-3,207.51

Finding the Fourth Proportional to 7,152.95, 10,731.66 and 3,207.51

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Solution

The fourth proportional to 7,152.95, 10,731.66 and 3,207.51 is: 4,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.95 : 10,731.66 = 3,207.51 : x
  2. Step 2: Convert to fraction form
    7,152.95/10,731.66 = 3,207.51/x
  3. Step 3: Cross multiply
    7,152.95x = 10,731.66 × 3,207.51
  4. Step 4: Simplify right side
    7,152.95x = 34,421,890.73
  5. Step 5: Solve for x
    x = 34,421,890.73/7,152.95
  6. Step 6: Final answer
    x = 4,812.27

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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.