Home / 5,585.57-8,379.56-1,887.72

Finding the Fourth Proportional to 5,585.57, 8,379.56 and 1,887.72

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Solution

The fourth proportional to 5,585.57, 8,379.56 and 1,887.72 is: 2,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.57 : 8,379.56 = 1,887.72 : x
  2. Step 2: Convert to fraction form
    5,585.57/8,379.56 = 1,887.72/x
  3. Step 3: Cross multiply
    5,585.57x = 8,379.56 × 1,887.72
  4. Step 4: Simplify right side
    5,585.57x = 15,818,270.08
  5. Step 5: Solve for x
    x = 15,818,270.08/5,585.57
  6. Step 6: Final answer
    x = 2,831.99

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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.