Home / 7,286.98-10,924.56-2,900.20

Finding the Fourth Proportional to 7,286.98, 10,924.56 and 2,900.20

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Solution

The fourth proportional to 7,286.98, 10,924.56 and 2,900.20 is: 4,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.98 : 10,924.56 = 2,900.20 : x
  2. Step 2: Convert to fraction form
    7,286.98/10,924.56 = 2,900.20/x
  3. Step 3: Cross multiply
    7,286.98x = 10,924.56 × 2,900.20
  4. Step 4: Simplify right side
    7,286.98x = 31,683,408.91
  5. Step 5: Solve for x
    x = 31,683,408.91/7,286.98
  6. Step 6: Final answer
    x = 4,347.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.