Home / 8,316.40-12,468.36-5,028.82

Finding the Fourth Proportional to 8,316.40, 12,468.36 and 5,028.82

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Solution

The fourth proportional to 8,316.40, 12,468.36 and 5,028.82 is: 7,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.40 : 12,468.36 = 5,028.82 : x
  2. Step 2: Convert to fraction form
    8,316.40/12,468.36 = 5,028.82/x
  3. Step 3: Cross multiply
    8,316.40x = 12,468.36 × 5,028.82
  4. Step 4: Simplify right side
    8,316.40x = 62,701,138.14
  5. Step 5: Solve for x
    x = 62,701,138.14/8,316.40
  6. Step 6: Final answer
    x = 7,539.46

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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.