Home / 8,521.14-11,749.98-5,333.28

Finding the Fourth Proportional to 8,521.14, 11,749.98 and 5,333.28

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Solution

The fourth proportional to 8,521.14, 11,749.98 and 5,333.28 is: 7,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.14 : 11,749.98 = 5,333.28 : x
  2. Step 2: Convert to fraction form
    8,521.14/11,749.98 = 5,333.28/x
  3. Step 3: Cross multiply
    8,521.14x = 11,749.98 × 5,333.28
  4. Step 4: Simplify right side
    8,521.14x = 62,665,933.33
  5. Step 5: Solve for x
    x = 62,665,933.33/8,521.14
  6. Step 6: Final answer
    x = 7,354.17

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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.