Home / 5,628.64-8,437.20-2,850.16

Finding the Fourth Proportional to 5,628.64, 8,437.20 and 2,850.16

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Solution

The fourth proportional to 5,628.64, 8,437.20 and 2,850.16 is: 4,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.64 : 8,437.20 = 2,850.16 : x
  2. Step 2: Convert to fraction form
    5,628.64/8,437.20 = 2,850.16/x
  3. Step 3: Cross multiply
    5,628.64x = 8,437.20 × 2,850.16
  4. Step 4: Simplify right side
    5,628.64x = 24,047,369.95
  5. Step 5: Solve for x
    x = 24,047,369.95/5,628.64
  6. Step 6: Final answer
    x = 4,272.32

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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.