Home / 7,740.84-11,612.66-2,817.39

Finding the Fourth Proportional to 7,740.84, 11,612.66 and 2,817.39

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Solution

The fourth proportional to 7,740.84, 11,612.66 and 2,817.39 is: 4,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.84 : 11,612.66 = 2,817.39 : x
  2. Step 2: Convert to fraction form
    7,740.84/11,612.66 = 2,817.39/x
  3. Step 3: Cross multiply
    7,740.84x = 11,612.66 × 2,817.39
  4. Step 4: Simplify right side
    7,740.84x = 32,717,378.07
  5. Step 5: Solve for x
    x = 32,717,378.07/7,740.84
  6. Step 6: Final answer
    x = 4,226.59

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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.