Home / 7,384.30-10,190.58-4,027.30

Finding the Fourth Proportional to 7,384.30, 10,190.58 and 4,027.30

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Solution

The fourth proportional to 7,384.30, 10,190.58 and 4,027.30 is: 5,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.30 : 10,190.58 = 4,027.30 : x
  2. Step 2: Convert to fraction form
    7,384.30/10,190.58 = 4,027.30/x
  3. Step 3: Cross multiply
    7,384.30x = 10,190.58 × 4,027.30
  4. Step 4: Simplify right side
    7,384.30x = 41,040,482.26
  5. Step 5: Solve for x
    x = 41,040,482.26/7,384.30
  6. Step 6: Final answer
    x = 5,557.80

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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.