Home / 7,476.72-10,307.10-5,231.64

Finding the Fourth Proportional to 7,476.72, 10,307.10 and 5,231.64

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Solution

The fourth proportional to 7,476.72, 10,307.10 and 5,231.64 is: 7,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.72 : 10,307.10 = 5,231.64 : x
  2. Step 2: Convert to fraction form
    7,476.72/10,307.10 = 5,231.64/x
  3. Step 3: Cross multiply
    7,476.72x = 10,307.10 × 5,231.64
  4. Step 4: Simplify right side
    7,476.72x = 53,923,036.64
  5. Step 5: Solve for x
    x = 53,923,036.64/7,476.72
  6. Step 6: Final answer
    x = 7,212.12

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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.