Home / 4,740.30-6,539.90-2,749.76

Finding the Fourth Proportional to 4,740.30, 6,539.90 and 2,749.76

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Solution

The fourth proportional to 4,740.30, 6,539.90 and 2,749.76 is: 3,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.30 : 6,539.90 = 2,749.76 : x
  2. Step 2: Convert to fraction form
    4,740.30/6,539.90 = 2,749.76/x
  3. Step 3: Cross multiply
    4,740.30x = 6,539.90 × 2,749.76
  4. Step 4: Simplify right side
    4,740.30x = 17,983,155.42
  5. Step 5: Solve for x
    x = 17,983,155.42/4,740.30
  6. Step 6: Final answer
    x = 3,793.67

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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.