Home / 7,072.82-10,612.30-2,691.53

Finding the Fourth Proportional to 7,072.82, 10,612.30 and 2,691.53

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Solution

The fourth proportional to 7,072.82, 10,612.30 and 2,691.53 is: 4,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.82 : 10,612.30 = 2,691.53 : x
  2. Step 2: Convert to fraction form
    7,072.82/10,612.30 = 2,691.53/x
  3. Step 3: Cross multiply
    7,072.82x = 10,612.30 × 2,691.53
  4. Step 4: Simplify right side
    7,072.82x = 28,563,264.03
  5. Step 5: Solve for x
    x = 28,563,264.03/7,072.82
  6. Step 6: Final answer
    x = 4,038.46

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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.