Home / 7,108.72-10,664.45-3,213.13

Finding the Fourth Proportional to 7,108.72, 10,664.45 and 3,213.13

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Solution

The fourth proportional to 7,108.72, 10,664.45 and 3,213.13 is: 4,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.72 : 10,664.45 = 3,213.13 : x
  2. Step 2: Convert to fraction form
    7,108.72/10,664.45 = 3,213.13/x
  3. Step 3: Cross multiply
    7,108.72x = 10,664.45 × 3,213.13
  4. Step 4: Simplify right side
    7,108.72x = 34,266,264.23
  5. Step 5: Solve for x
    x = 34,266,264.23/7,108.72
  6. Step 6: Final answer
    x = 4,820.31

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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.