Home / 8,385.24-11,571.18-4,659

Finding the Fourth Proportional to 8,385.24, 11,571.18 and 4,659

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Solution

The fourth proportional to 8,385.24, 11,571.18 and 4,659 is: 6,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.24 : 11,571.18 = 4,659 : x
  2. Step 2: Convert to fraction form
    8,385.24/11,571.18 = 4,659/x
  3. Step 3: Cross multiply
    8,385.24x = 11,571.18 × 4,659
  4. Step 4: Simplify right side
    8,385.24x = 53,910,127.62
  5. Step 5: Solve for x
    x = 53,910,127.62/8,385.24
  6. Step 6: Final answer
    x = 6,429.17

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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.