Home / 7,643.31-11,468.88-3,482.75

Finding the Fourth Proportional to 7,643.31, 11,468.88 and 3,482.75

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Solution

The fourth proportional to 7,643.31, 11,468.88 and 3,482.75 is: 5,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.31 : 11,468.88 = 3,482.75 : x
  2. Step 2: Convert to fraction form
    7,643.31/11,468.88 = 3,482.75/x
  3. Step 3: Cross multiply
    7,643.31x = 11,468.88 × 3,482.75
  4. Step 4: Simplify right side
    7,643.31x = 39,943,184.48
  5. Step 5: Solve for x
    x = 39,943,184.48/7,643.31
  6. Step 6: Final answer
    x = 5,225.90

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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.