Home / 9,387.04-14,078.52-2,811.46

Finding the Fourth Proportional to 9,387.04, 14,078.52 and 2,811.46

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Solution

The fourth proportional to 9,387.04, 14,078.52 and 2,811.46 is: 4,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.04 : 14,078.52 = 2,811.46 : x
  2. Step 2: Convert to fraction form
    9,387.04/14,078.52 = 2,811.46/x
  3. Step 3: Cross multiply
    9,387.04x = 14,078.52 × 2,811.46
  4. Step 4: Simplify right side
    9,387.04x = 39,581,195.84
  5. Step 5: Solve for x
    x = 39,581,195.84/9,387.04
  6. Step 6: Final answer
    x = 4,216.58

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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.