Home / 8,210.24-12,316.40-3,015.36

Finding the Fourth Proportional to 8,210.24, 12,316.40 and 3,015.36

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Solution

The fourth proportional to 8,210.24, 12,316.40 and 3,015.36 is: 4,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.24 : 12,316.40 = 3,015.36 : x
  2. Step 2: Convert to fraction form
    8,210.24/12,316.40 = 3,015.36/x
  3. Step 3: Cross multiply
    8,210.24x = 12,316.40 × 3,015.36
  4. Step 4: Simplify right side
    8,210.24x = 37,138,379.90
  5. Step 5: Solve for x
    x = 37,138,379.90/8,210.24
  6. Step 6: Final answer
    x = 4,523.42

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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.