Home / 5,340.90-8,019.58-4,518.76

Finding the Fourth Proportional to 5,340.90, 8,019.58 and 4,518.76

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Solution

The fourth proportional to 5,340.90, 8,019.58 and 4,518.76 is: 6,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.90 : 8,019.58 = 4,518.76 : x
  2. Step 2: Convert to fraction form
    5,340.90/8,019.58 = 4,518.76/x
  3. Step 3: Cross multiply
    5,340.90x = 8,019.58 × 4,518.76
  4. Step 4: Simplify right side
    5,340.90x = 36,238,534.73
  5. Step 5: Solve for x
    x = 36,238,534.73/5,340.90
  6. Step 6: Final answer
    x = 6,785.10

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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.