Home / 4,890.90-7,338.18-2,259.67

Finding the Fourth Proportional to 4,890.90, 7,338.18 and 2,259.67

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Solution

The fourth proportional to 4,890.90, 7,338.18 and 2,259.67 is: 3,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.90 : 7,338.18 = 2,259.67 : x
  2. Step 2: Convert to fraction form
    4,890.90/7,338.18 = 2,259.67/x
  3. Step 3: Cross multiply
    4,890.90x = 7,338.18 × 2,259.67
  4. Step 4: Simplify right side
    4,890.90x = 16,581,865.20
  5. Step 5: Solve for x
    x = 16,581,865.20/4,890.90
  6. Step 6: Final answer
    x = 3,390.35

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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.