Home / 6,135.12-8,468.88-3,898.23

Finding the Fourth Proportional to 6,135.12, 8,468.88 and 3,898.23

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Solution

The fourth proportional to 6,135.12, 8,468.88 and 3,898.23 is: 5,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.12 : 8,468.88 = 3,898.23 : x
  2. Step 2: Convert to fraction form
    6,135.12/8,468.88 = 3,898.23/x
  3. Step 3: Cross multiply
    6,135.12x = 8,468.88 × 3,898.23
  4. Step 4: Simplify right side
    6,135.12x = 33,013,642.08
  5. Step 5: Solve for x
    x = 33,013,642.08/6,135.12
  6. Step 6: Final answer
    x = 5,381.09

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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.