Home / 5,288.98-7,299.30-2,931.12

Finding the Fourth Proportional to 5,288.98, 7,299.30 and 2,931.12

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Solution

The fourth proportional to 5,288.98, 7,299.30 and 2,931.12 is: 4,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.98 : 7,299.30 = 2,931.12 : x
  2. Step 2: Convert to fraction form
    5,288.98/7,299.30 = 2,931.12/x
  3. Step 3: Cross multiply
    5,288.98x = 7,299.30 × 2,931.12
  4. Step 4: Simplify right side
    5,288.98x = 21,395,073.06
  5. Step 5: Solve for x
    x = 21,395,073.06/5,288.98
  6. Step 6: Final answer
    x = 4,045.22

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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.