Home / 7,569.99-11,354.89-2,639.62

Finding the Fourth Proportional to 7,569.99, 11,354.89 and 2,639.62

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Solution

The fourth proportional to 7,569.99, 11,354.89 and 2,639.62 is: 3,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.99 : 11,354.89 = 2,639.62 : x
  2. Step 2: Convert to fraction form
    7,569.99/11,354.89 = 2,639.62/x
  3. Step 3: Cross multiply
    7,569.99x = 11,354.89 × 2,639.62
  4. Step 4: Simplify right side
    7,569.99x = 29,972,594.74
  5. Step 5: Solve for x
    x = 29,972,594.74/7,569.99
  6. Step 6: Final answer
    x = 3,959.40

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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.