Home / 7,820.42-11,742.54-6,832.70

Finding the Fourth Proportional to 7,820.42, 11,742.54 and 6,832.70

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Solution

The fourth proportional to 7,820.42, 11,742.54 and 6,832.70 is: 10,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.42 : 11,742.54 = 6,832.70 : x
  2. Step 2: Convert to fraction form
    7,820.42/11,742.54 = 6,832.70/x
  3. Step 3: Cross multiply
    7,820.42x = 11,742.54 × 6,832.70
  4. Step 4: Simplify right side
    7,820.42x = 80,233,253.06
  5. Step 5: Solve for x
    x = 80,233,253.06/7,820.42
  6. Step 6: Final answer
    x = 10,259.46

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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.