Home / 7,119.14-10,678.94-1,925.02

Finding the Fourth Proportional to 7,119.14, 10,678.94 and 1,925.02

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Solution

The fourth proportional to 7,119.14, 10,678.94 and 1,925.02 is: 2,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.14 : 10,678.94 = 1,925.02 : x
  2. Step 2: Convert to fraction form
    7,119.14/10,678.94 = 1,925.02/x
  3. Step 3: Cross multiply
    7,119.14x = 10,678.94 × 1,925.02
  4. Step 4: Simplify right side
    7,119.14x = 20,557,123.95
  5. Step 5: Solve for x
    x = 20,557,123.95/7,119.14
  6. Step 6: Final answer
    x = 2,887.59

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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.