Home / 7,122.18-10,682.91-2,442.63

Finding the Fourth Proportional to 7,122.18, 10,682.91 and 2,442.63

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Solution

The fourth proportional to 7,122.18, 10,682.91 and 2,442.63 is: 3,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.18 : 10,682.91 = 2,442.63 : x
  2. Step 2: Convert to fraction form
    7,122.18/10,682.91 = 2,442.63/x
  3. Step 3: Cross multiply
    7,122.18x = 10,682.91 × 2,442.63
  4. Step 4: Simplify right side
    7,122.18x = 26,094,396.45
  5. Step 5: Solve for x
    x = 26,094,396.45/7,122.18
  6. Step 6: Final answer
    x = 3,663.82

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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.