Home / 8,038.32-12,055.86-3,108.66

Finding the Fourth Proportional to 8,038.32, 12,055.86 and 3,108.66

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Solution

The fourth proportional to 8,038.32, 12,055.86 and 3,108.66 is: 4,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.32 : 12,055.86 = 3,108.66 : x
  2. Step 2: Convert to fraction form
    8,038.32/12,055.86 = 3,108.66/x
  3. Step 3: Cross multiply
    8,038.32x = 12,055.86 × 3,108.66
  4. Step 4: Simplify right side
    8,038.32x = 37,477,569.75
  5. Step 5: Solve for x
    x = 37,477,569.75/8,038.32
  6. Step 6: Final answer
    x = 4,662.36

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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.