Home / 7,384.87-10,191.15-4,027.66

Finding the Fourth Proportional to 7,384.87, 10,191.15 and 4,027.66

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Solution

The fourth proportional to 7,384.87, 10,191.15 and 4,027.66 is: 5,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.87 : 10,191.15 = 4,027.66 : x
  2. Step 2: Convert to fraction form
    7,384.87/10,191.15 = 4,027.66/x
  3. Step 3: Cross multiply
    7,384.87x = 10,191.15 × 4,027.66
  4. Step 4: Simplify right side
    7,384.87x = 41,046,461.73
  5. Step 5: Solve for x
    x = 41,046,461.73/7,384.87
  6. Step 6: Final answer
    x = 5,558.18

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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.