Home / 7,844.61-10,820.46-5,012.85

Finding the Fourth Proportional to 7,844.61, 10,820.46 and 5,012.85

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Solution

The fourth proportional to 7,844.61, 10,820.46 and 5,012.85 is: 6,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.61 : 10,820.46 = 5,012.85 : x
  2. Step 2: Convert to fraction form
    7,844.61/10,820.46 = 5,012.85/x
  3. Step 3: Cross multiply
    7,844.61x = 10,820.46 × 5,012.85
  4. Step 4: Simplify right side
    7,844.61x = 54,241,342.91
  5. Step 5: Solve for x
    x = 54,241,342.91/7,844.61
  6. Step 6: Final answer
    x = 6,914.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.