Home / 7,898.11-11,847.13-3,217.07

Finding the Fourth Proportional to 7,898.11, 11,847.13 and 3,217.07

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Solution

The fourth proportional to 7,898.11, 11,847.13 and 3,217.07 is: 4,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.11 : 11,847.13 = 3,217.07 : x
  2. Step 2: Convert to fraction form
    7,898.11/11,847.13 = 3,217.07/x
  3. Step 3: Cross multiply
    7,898.11x = 11,847.13 × 3,217.07
  4. Step 4: Simplify right side
    7,898.11x = 38,113,068.08
  5. Step 5: Solve for x
    x = 38,113,068.08/7,898.11
  6. Step 6: Final answer
    x = 4,825.60

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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.