Home / 8,261.07-12,403.90-3,340.32

Finding the Fourth Proportional to 8,261.07, 12,403.90 and 3,340.32

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Solution

The fourth proportional to 8,261.07, 12,403.90 and 3,340.32 is: 5,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.07 : 12,403.90 = 3,340.32 : x
  2. Step 2: Convert to fraction form
    8,261.07/12,403.90 = 3,340.32/x
  3. Step 3: Cross multiply
    8,261.07x = 12,403.90 × 3,340.32
  4. Step 4: Simplify right side
    8,261.07x = 41,432,995.25
  5. Step 5: Solve for x
    x = 41,432,995.25/8,261.07
  6. Step 6: Final answer
    x = 5,015.45

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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.