Home / 8,997.05-12,398.40-6,474.71

Finding the Fourth Proportional to 8,997.05, 12,398.40 and 6,474.71

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Solution

The fourth proportional to 8,997.05, 12,398.40 and 6,474.71 is: 8,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.05 : 12,398.40 = 6,474.71 : x
  2. Step 2: Convert to fraction form
    8,997.05/12,398.40 = 6,474.71/x
  3. Step 3: Cross multiply
    8,997.05x = 12,398.40 × 6,474.71
  4. Step 4: Simplify right side
    8,997.05x = 80,276,075.46
  5. Step 5: Solve for x
    x = 80,276,075.46/8,997.05
  6. Step 6: Final answer
    x = 8,922.49

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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.