Home / 7,225.40-10,839.24-3,065.42

Finding the Fourth Proportional to 7,225.40, 10,839.24 and 3,065.42

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Solution

The fourth proportional to 7,225.40, 10,839.24 and 3,065.42 is: 4,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.40 : 10,839.24 = 3,065.42 : x
  2. Step 2: Convert to fraction form
    7,225.40/10,839.24 = 3,065.42/x
  3. Step 3: Cross multiply
    7,225.40x = 10,839.24 × 3,065.42
  4. Step 4: Simplify right side
    7,225.40x = 33,226,823.08
  5. Step 5: Solve for x
    x = 33,226,823.08/7,225.40
  6. Step 6: Final answer
    x = 4,598.61

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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.