Home / 7,108.17-9,809.13-4,124.30

Finding the Fourth Proportional to 7,108.17, 9,809.13 and 4,124.30

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Solution

The fourth proportional to 7,108.17, 9,809.13 and 4,124.30 is: 5,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.17 : 9,809.13 = 4,124.30 : x
  2. Step 2: Convert to fraction form
    7,108.17/9,809.13 = 4,124.30/x
  3. Step 3: Cross multiply
    7,108.17x = 9,809.13 × 4,124.30
  4. Step 4: Simplify right side
    7,108.17x = 40,455,745.81
  5. Step 5: Solve for x
    x = 40,455,745.81/7,108.17
  6. Step 6: Final answer
    x = 5,691.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.