Home / 5,355.79-8,036.85-2,585.32

Finding the Fourth Proportional to 5,355.79, 8,036.85 and 2,585.32

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Solution

The fourth proportional to 5,355.79, 8,036.85 and 2,585.32 is: 3,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.79 : 8,036.85 = 2,585.32 : x
  2. Step 2: Convert to fraction form
    5,355.79/8,036.85 = 2,585.32/x
  3. Step 3: Cross multiply
    5,355.79x = 8,036.85 × 2,585.32
  4. Step 4: Simplify right side
    5,355.79x = 20,777,818.64
  5. Step 5: Solve for x
    x = 20,777,818.64/5,355.79
  6. Step 6: Final answer
    x = 3,879.51

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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.