Home / 5,199.90-7,784.55-3,246.18

Finding the Fourth Proportional to 5,199.90, 7,784.55 and 3,246.18

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Solution

The fourth proportional to 5,199.90, 7,784.55 and 3,246.18 is: 4,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.90 : 7,784.55 = 3,246.18 : x
  2. Step 2: Convert to fraction form
    5,199.90/7,784.55 = 3,246.18/x
  3. Step 3: Cross multiply
    5,199.90x = 7,784.55 × 3,246.18
  4. Step 4: Simplify right side
    5,199.90x = 25,270,050.52
  5. Step 5: Solve for x
    x = 25,270,050.52/5,199.90
  6. Step 6: Final answer
    x = 4,859.72

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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.