Home / 4,288.42-6,432.62-2,816.93

Finding the Fourth Proportional to 4,288.42, 6,432.62 and 2,816.93

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Solution

The fourth proportional to 4,288.42, 6,432.62 and 2,816.93 is: 4,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.42 : 6,432.62 = 2,816.93 : x
  2. Step 2: Convert to fraction form
    4,288.42/6,432.62 = 2,816.93/x
  3. Step 3: Cross multiply
    4,288.42x = 6,432.62 × 2,816.93
  4. Step 4: Simplify right side
    4,288.42x = 18,120,226.17
  5. Step 5: Solve for x
    x = 18,120,226.17/4,288.42
  6. Step 6: Final answer
    x = 4,225.39

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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.