Home / 5,585.72-8,375.13-1,887.60

Finding the Fourth Proportional to 5,585.72, 8,375.13 and 1,887.60

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Solution

The fourth proportional to 5,585.72, 8,375.13 and 1,887.60 is: 2,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.72 : 8,375.13 = 1,887.60 : x
  2. Step 2: Convert to fraction form
    5,585.72/8,375.13 = 1,887.60/x
  3. Step 3: Cross multiply
    5,585.72x = 8,375.13 × 1,887.60
  4. Step 4: Simplify right side
    5,585.72x = 15,808,895.39
  5. Step 5: Solve for x
    x = 15,808,895.39/5,585.72
  6. Step 6: Final answer
    x = 2,830.23

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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.