Home / 5,642.15-8,464.64-2,353.55

Finding the Fourth Proportional to 5,642.15, 8,464.64 and 2,353.55

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Solution

The fourth proportional to 5,642.15, 8,464.64 and 2,353.55 is: 3,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.15 : 8,464.64 = 2,353.55 : x
  2. Step 2: Convert to fraction form
    5,642.15/8,464.64 = 2,353.55/x
  3. Step 3: Cross multiply
    5,642.15x = 8,464.64 × 2,353.55
  4. Step 4: Simplify right side
    5,642.15x = 19,921,899.38
  5. Step 5: Solve for x
    x = 19,921,899.38/5,642.15
  6. Step 6: Final answer
    x = 3,530.91

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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.