Home / 7,384.77-10,190.64-4,027.59

Finding the Fourth Proportional to 7,384.77, 10,190.64 and 4,027.59

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Solution

The fourth proportional to 7,384.77, 10,190.64 and 4,027.59 is: 5,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.77 : 10,190.64 = 4,027.59 : x
  2. Step 2: Convert to fraction form
    7,384.77/10,190.64 = 4,027.59/x
  3. Step 3: Cross multiply
    7,384.77x = 10,190.64 × 4,027.59
  4. Step 4: Simplify right side
    7,384.77x = 41,043,719.76
  5. Step 5: Solve for x
    x = 41,043,719.76/7,384.77
  6. Step 6: Final answer
    x = 5,557.89

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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.