Home / 8,133.15-12,201.52-3,457.16

Finding the Fourth Proportional to 8,133.15, 12,201.52 and 3,457.16

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Solution

The fourth proportional to 8,133.15, 12,201.52 and 3,457.16 is: 5,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.15 : 12,201.52 = 3,457.16 : x
  2. Step 2: Convert to fraction form
    8,133.15/12,201.52 = 3,457.16/x
  3. Step 3: Cross multiply
    8,133.15x = 12,201.52 × 3,457.16
  4. Step 4: Simplify right side
    8,133.15x = 42,182,569.74
  5. Step 5: Solve for x
    x = 42,182,569.74/8,133.15
  6. Step 6: Final answer
    x = 5,186.50

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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.