Home / 7,550.42-11,312.26-6,787.40

Finding the Fourth Proportional to 7,550.42, 11,312.26 and 6,787.40

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Solution

The fourth proportional to 7,550.42, 11,312.26 and 6,787.40 is: 10,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.42 : 11,312.26 = 6,787.40 : x
  2. Step 2: Convert to fraction form
    7,550.42/11,312.26 = 6,787.40/x
  3. Step 3: Cross multiply
    7,550.42x = 11,312.26 × 6,787.40
  4. Step 4: Simplify right side
    7,550.42x = 76,780,759.99
  5. Step 5: Solve for x
    x = 76,780,759.99/7,550.42
  6. Step 6: Final answer
    x = 10,169.08

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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.