Home / 7,504.14-10,355.75-4,146.95

Finding the Fourth Proportional to 7,504.14, 10,355.75 and 4,146.95

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Solution

The fourth proportional to 7,504.14, 10,355.75 and 4,146.95 is: 5,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.14 : 10,355.75 = 4,146.95 : x
  2. Step 2: Convert to fraction form
    7,504.14/10,355.75 = 4,146.95/x
  3. Step 3: Cross multiply
    7,504.14x = 10,355.75 × 4,146.95
  4. Step 4: Simplify right side
    7,504.14x = 42,944,704.95
  5. Step 5: Solve for x
    x = 42,944,704.95/7,504.14
  6. Step 6: Final answer
    x = 5,722.80

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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.