Home / 7,914.34-11,867.13-3,237.63

Finding the Fourth Proportional to 7,914.34, 11,867.13 and 3,237.63

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Solution

The fourth proportional to 7,914.34, 11,867.13 and 3,237.63 is: 4,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.34 : 11,867.13 = 3,237.63 : x
  2. Step 2: Convert to fraction form
    7,914.34/11,867.13 = 3,237.63/x
  3. Step 3: Cross multiply
    7,914.34x = 11,867.13 × 3,237.63
  4. Step 4: Simplify right side
    7,914.34x = 38,421,389.58
  5. Step 5: Solve for x
    x = 38,421,389.58/7,914.34
  6. Step 6: Final answer
    x = 4,854.66

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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.