Home / 5,507.76-8,259.52-2,219.68

Finding the Fourth Proportional to 5,507.76, 8,259.52 and 2,219.68

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Solution

The fourth proportional to 5,507.76, 8,259.52 and 2,219.68 is: 3,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.76 : 8,259.52 = 2,219.68 : x
  2. Step 2: Convert to fraction form
    5,507.76/8,259.52 = 2,219.68/x
  3. Step 3: Cross multiply
    5,507.76x = 8,259.52 × 2,219.68
  4. Step 4: Simplify right side
    5,507.76x = 18,333,491.35
  5. Step 5: Solve for x
    x = 18,333,491.35/5,507.76
  6. Step 6: Final answer
    x = 3,328.67

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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.