Home / 6,520.38-9,780.47-2,624.69

Finding the Fourth Proportional to 6,520.38, 9,780.47 and 2,624.69

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Solution

The fourth proportional to 6,520.38, 9,780.47 and 2,624.69 is: 3,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.38 : 9,780.47 = 2,624.69 : x
  2. Step 2: Convert to fraction form
    6,520.38/9,780.47 = 2,624.69/x
  3. Step 3: Cross multiply
    6,520.38x = 9,780.47 × 2,624.69
  4. Step 4: Simplify right side
    6,520.38x = 25,670,701.80
  5. Step 5: Solve for x
    x = 25,670,701.80/6,520.38
  6. Step 6: Final answer
    x = 3,936.99

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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.