Home / 7,384.14-10,189.89-4,027.01

Finding the Fourth Proportional to 7,384.14, 10,189.89 and 4,027.01

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Solution

The fourth proportional to 7,384.14, 10,189.89 and 4,027.01 is: 5,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.14 : 10,189.89 = 4,027.01 : x
  2. Step 2: Convert to fraction form
    7,384.14/10,189.89 = 4,027.01/x
  3. Step 3: Cross multiply
    7,384.14x = 10,189.89 × 4,027.01
  4. Step 4: Simplify right side
    7,384.14x = 41,034,737.98
  5. Step 5: Solve for x
    x = 41,034,737.98/7,384.14
  6. Step 6: Final answer
    x = 5,557.15

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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.