Home / 9,065.85-12,511.43-5,087.22

Finding the Fourth Proportional to 9,065.85, 12,511.43 and 5,087.22

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Solution

The fourth proportional to 9,065.85, 12,511.43 and 5,087.22 is: 7,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.85 : 12,511.43 = 5,087.22 : x
  2. Step 2: Convert to fraction form
    9,065.85/12,511.43 = 5,087.22/x
  3. Step 3: Cross multiply
    9,065.85x = 12,511.43 × 5,087.22
  4. Step 4: Simplify right side
    9,065.85x = 63,648,396.92
  5. Step 5: Solve for x
    x = 63,648,396.92/9,065.85
  6. Step 6: Final answer
    x = 7,020.68

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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.