Home / 6,291.50-9,437.04-2,131.46

Finding the Fourth Proportional to 6,291.50, 9,437.04 and 2,131.46

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Solution

The fourth proportional to 6,291.50, 9,437.04 and 2,131.46 is: 3,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.50 : 9,437.04 = 2,131.46 : x
  2. Step 2: Convert to fraction form
    6,291.50/9,437.04 = 2,131.46/x
  3. Step 3: Cross multiply
    6,291.50x = 9,437.04 × 2,131.46
  4. Step 4: Simplify right side
    6,291.50x = 20,114,673.28
  5. Step 5: Solve for x
    x = 20,114,673.28/6,291.50
  6. Step 6: Final answer
    x = 3,197.12

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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.