Home / 7,381.12-10,191-4,731.88

Finding the Fourth Proportional to 7,381.12, 10,191 and 4,731.88

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Solution

The fourth proportional to 7,381.12, 10,191 and 4,731.88 is: 6,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.12 : 10,191 = 4,731.88 : x
  2. Step 2: Convert to fraction form
    7,381.12/10,191 = 4,731.88/x
  3. Step 3: Cross multiply
    7,381.12x = 10,191 × 4,731.88
  4. Step 4: Simplify right side
    7,381.12x = 48,222,589.08
  5. Step 5: Solve for x
    x = 48,222,589.08/7,381.12
  6. Step 6: Final answer
    x = 6,533.23

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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.