Home / 7,639.58-11,459.98-3,257.08

Finding the Fourth Proportional to 7,639.58, 11,459.98 and 3,257.08

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Solution

The fourth proportional to 7,639.58, 11,459.98 and 3,257.08 is: 4,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.58 : 11,459.98 = 3,257.08 : x
  2. Step 2: Convert to fraction form
    7,639.58/11,459.98 = 3,257.08/x
  3. Step 3: Cross multiply
    7,639.58x = 11,459.98 × 3,257.08
  4. Step 4: Simplify right side
    7,639.58x = 37,326,047.08
  5. Step 5: Solve for x
    x = 37,326,047.08/7,639.58
  6. Step 6: Final answer
    x = 4,885.88

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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.