Home / 6,154.91-8,488.01-4,900.12

Finding the Fourth Proportional to 6,154.91, 8,488.01 and 4,900.12

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Solution

The fourth proportional to 6,154.91, 8,488.01 and 4,900.12 is: 6,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.91 : 8,488.01 = 4,900.12 : x
  2. Step 2: Convert to fraction form
    6,154.91/8,488.01 = 4,900.12/x
  3. Step 3: Cross multiply
    6,154.91x = 8,488.01 × 4,900.12
  4. Step 4: Simplify right side
    6,154.91x = 41,592,267.56
  5. Step 5: Solve for x
    x = 41,592,267.56/6,154.91
  6. Step 6: Final answer
    x = 6,757.58

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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.