Home / 4,311.49-6,468.22-1,538.32

Finding the Fourth Proportional to 4,311.49, 6,468.22 and 1,538.32

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Solution

The fourth proportional to 4,311.49, 6,468.22 and 1,538.32 is: 2,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.49 : 6,468.22 = 1,538.32 : x
  2. Step 2: Convert to fraction form
    4,311.49/6,468.22 = 1,538.32/x
  3. Step 3: Cross multiply
    4,311.49x = 6,468.22 × 1,538.32
  4. Step 4: Simplify right side
    4,311.49x = 9,950,192.19
  5. Step 5: Solve for x
    x = 9,950,192.19/4,311.49
  6. Step 6: Final answer
    x = 2,307.83

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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.