Home / 7,065.85-10,599.99-2,908.12

Finding the Fourth Proportional to 7,065.85, 10,599.99 and 2,908.12

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Solution

The fourth proportional to 7,065.85, 10,599.99 and 2,908.12 is: 4,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.85 : 10,599.99 = 2,908.12 : x
  2. Step 2: Convert to fraction form
    7,065.85/10,599.99 = 2,908.12/x
  3. Step 3: Cross multiply
    7,065.85x = 10,599.99 × 2,908.12
  4. Step 4: Simplify right side
    7,065.85x = 30,826,042.92
  5. Step 5: Solve for x
    x = 30,826,042.92/7,065.85
  6. Step 6: Final answer
    x = 4,362.68

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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.