Home / 7,449.48-10,277.64-5,213.88

Finding the Fourth Proportional to 7,449.48, 10,277.64 and 5,213.88

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Solution

The fourth proportional to 7,449.48, 10,277.64 and 5,213.88 is: 7,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.48 : 10,277.64 = 5,213.88 : x
  2. Step 2: Convert to fraction form
    7,449.48/10,277.64 = 5,213.88/x
  3. Step 3: Cross multiply
    7,449.48x = 10,277.64 × 5,213.88
  4. Step 4: Simplify right side
    7,449.48x = 53,586,381.64
  5. Step 5: Solve for x
    x = 53,586,381.64/7,449.48
  6. Step 6: Final answer
    x = 7,193.30

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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.