Home / 7,372.12-11,047.46-4,731.34

Finding the Fourth Proportional to 7,372.12, 11,047.46 and 4,731.34

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Solution

The fourth proportional to 7,372.12, 11,047.46 and 4,731.34 is: 7,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.12 : 11,047.46 = 4,731.34 : x
  2. Step 2: Convert to fraction form
    7,372.12/11,047.46 = 4,731.34/x
  3. Step 3: Cross multiply
    7,372.12x = 11,047.46 × 4,731.34
  4. Step 4: Simplify right side
    7,372.12x = 52,269,289.40
  5. Step 5: Solve for x
    x = 52,269,289.40/7,372.12
  6. Step 6: Final answer
    x = 7,090.13

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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.