Home / 6,967.15-9,614.70-3,780.41

Finding the Fourth Proportional to 6,967.15, 9,614.70 and 3,780.41

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Solution

The fourth proportional to 6,967.15, 9,614.70 and 3,780.41 is: 5,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.15 : 9,614.70 = 3,780.41 : x
  2. Step 2: Convert to fraction form
    6,967.15/9,614.70 = 3,780.41/x
  3. Step 3: Cross multiply
    6,967.15x = 9,614.70 × 3,780.41
  4. Step 4: Simplify right side
    6,967.15x = 36,347,459.95
  5. Step 5: Solve for x
    x = 36,347,459.95/6,967.15
  6. Step 6: Final answer
    x = 5,216.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.