Home / 5,312.47-7,968.84-2,971.17

Finding the Fourth Proportional to 5,312.47, 7,968.84 and 2,971.17

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Solution

The fourth proportional to 5,312.47, 7,968.84 and 2,971.17 is: 4,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.47 : 7,968.84 = 2,971.17 : x
  2. Step 2: Convert to fraction form
    5,312.47/7,968.84 = 2,971.17/x
  3. Step 3: Cross multiply
    5,312.47x = 7,968.84 × 2,971.17
  4. Step 4: Simplify right side
    5,312.47x = 23,676,778.34
  5. Step 5: Solve for x
    x = 23,676,778.34/5,312.47
  6. Step 6: Final answer
    x = 4,456.83

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1.5x scale

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.