Home / 5,392.65-8,089.62-2,620.83

Finding the Fourth Proportional to 5,392.65, 8,089.62 and 2,620.83

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Solution

The fourth proportional to 5,392.65, 8,089.62 and 2,620.83 is: 3,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.65 : 8,089.62 = 2,620.83 : x
  2. Step 2: Convert to fraction form
    5,392.65/8,089.62 = 2,620.83/x
  3. Step 3: Cross multiply
    5,392.65x = 8,089.62 × 2,620.83
  4. Step 4: Simplify right side
    5,392.65x = 21,201,518.78
  5. Step 5: Solve for x
    x = 21,201,518.78/5,392.65
  6. Step 6: Final answer
    x = 3,931.56

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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.