Home / 4,006.78-5,529.19-2,328.66

Finding the Fourth Proportional to 4,006.78, 5,529.19 and 2,328.66

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Solution

The fourth proportional to 4,006.78, 5,529.19 and 2,328.66 is: 3,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.78 : 5,529.19 = 2,328.66 : x
  2. Step 2: Convert to fraction form
    4,006.78/5,529.19 = 2,328.66/x
  3. Step 3: Cross multiply
    4,006.78x = 5,529.19 × 2,328.66
  4. Step 4: Simplify right side
    4,006.78x = 12,875,603.59
  5. Step 5: Solve for x
    x = 12,875,603.59/4,006.78
  6. Step 6: Final answer
    x = 3,213.45

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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.