Home / 4,006.61-5,529.10-2,189.63

Finding the Fourth Proportional to 4,006.61, 5,529.10 and 2,189.63

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Solution

The fourth proportional to 4,006.61, 5,529.10 and 2,189.63 is: 3,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.61 : 5,529.10 = 2,189.63 : x
  2. Step 2: Convert to fraction form
    4,006.61/5,529.10 = 2,189.63/x
  3. Step 3: Cross multiply
    4,006.61x = 5,529.10 × 2,189.63
  4. Step 4: Simplify right side
    4,006.61x = 12,106,650.11
  5. Step 5: Solve for x
    x = 12,106,650.11/4,006.61
  6. Step 6: Final answer
    x = 3,021.67

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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.