Home / 4,158.09-6,238.13-1,384.79

Finding the Fourth Proportional to 4,158.09, 6,238.13 and 1,384.79

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Solution

The fourth proportional to 4,158.09, 6,238.13 and 1,384.79 is: 2,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.09 : 6,238.13 = 1,384.79 : x
  2. Step 2: Convert to fraction form
    4,158.09/6,238.13 = 1,384.79/x
  3. Step 3: Cross multiply
    4,158.09x = 6,238.13 × 1,384.79
  4. Step 4: Simplify right side
    4,158.09x = 8,638,487.91
  5. Step 5: Solve for x
    x = 8,638,487.91/4,158.09
  6. Step 6: Final answer
    x = 2,077.51

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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.