Home / 7,816.84-11,713.51-3,132.20

Finding the Fourth Proportional to 7,816.84, 11,713.51 and 3,132.20

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Solution

The fourth proportional to 7,816.84, 11,713.51 and 3,132.20 is: 4,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.84 : 11,713.51 = 3,132.20 : x
  2. Step 2: Convert to fraction form
    7,816.84/11,713.51 = 3,132.20/x
  3. Step 3: Cross multiply
    7,816.84x = 11,713.51 × 3,132.20
  4. Step 4: Simplify right side
    7,816.84x = 36,689,056.02
  5. Step 5: Solve for x
    x = 36,689,056.02/7,816.84
  6. Step 6: Final answer
    x = 4,693.59

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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.