Home / 6,687.12-10,030.64-5,227.50

Finding the Fourth Proportional to 6,687.12, 10,030.64 and 5,227.50

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Solution

The fourth proportional to 6,687.12, 10,030.64 and 5,227.50 is: 7,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.12 : 10,030.64 = 5,227.50 : x
  2. Step 2: Convert to fraction form
    6,687.12/10,030.64 = 5,227.50/x
  3. Step 3: Cross multiply
    6,687.12x = 10,030.64 × 5,227.50
  4. Step 4: Simplify right side
    6,687.12x = 52,435,144.46
  5. Step 5: Solve for x
    x = 52,435,144.46/6,687.12
  6. Step 6: Final answer
    x = 7,841.21

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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.