Home / 6,519.40-9,783.66-2,624.20

Finding the Fourth Proportional to 6,519.40, 9,783.66 and 2,624.20

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Solution

The fourth proportional to 6,519.40, 9,783.66 and 2,624.20 is: 3,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.40 : 9,783.66 = 2,624.20 : x
  2. Step 2: Convert to fraction form
    6,519.40/9,783.66 = 2,624.20/x
  3. Step 3: Cross multiply
    6,519.40x = 9,783.66 × 2,624.20
  4. Step 4: Simplify right side
    6,519.40x = 25,674,280.57
  5. Step 5: Solve for x
    x = 25,674,280.57/6,519.40
  6. Step 6: Final answer
    x = 3,938.14

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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.