Home / 6,520.16-9,780.75-2,624.60

Finding the Fourth Proportional to 6,520.16, 9,780.75 and 2,624.60

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Solution

The fourth proportional to 6,520.16, 9,780.75 and 2,624.60 is: 3,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.16 : 9,780.75 = 2,624.60 : x
  2. Step 2: Convert to fraction form
    6,520.16/9,780.75 = 2,624.60/x
  3. Step 3: Cross multiply
    6,520.16x = 9,780.75 × 2,624.60
  4. Step 4: Simplify right side
    6,520.16x = 25,670,507.55
  5. Step 5: Solve for x
    x = 25,670,507.55/6,520.16
  6. Step 6: Final answer
    x = 3,937.10

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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.