Home / 5,873.80-8,108.06-3,887.08

Finding the Fourth Proportional to 5,873.80, 8,108.06 and 3,887.08

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Solution

The fourth proportional to 5,873.80, 8,108.06 and 3,887.08 is: 5,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.80 : 8,108.06 = 3,887.08 : x
  2. Step 2: Convert to fraction form
    5,873.80/8,108.06 = 3,887.08/x
  3. Step 3: Cross multiply
    5,873.80x = 8,108.06 × 3,887.08
  4. Step 4: Simplify right side
    5,873.80x = 31,516,677.86
  5. Step 5: Solve for x
    x = 31,516,677.86/5,873.80
  6. Step 6: Final answer
    x = 5,365.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.