Home / 5,436.87-8,155.08-1,739.31

Finding the Fourth Proportional to 5,436.87, 8,155.08 and 1,739.31

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Solution

The fourth proportional to 5,436.87, 8,155.08 and 1,739.31 is: 2,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.87 : 8,155.08 = 1,739.31 : x
  2. Step 2: Convert to fraction form
    5,436.87/8,155.08 = 1,739.31/x
  3. Step 3: Cross multiply
    5,436.87x = 8,155.08 × 1,739.31
  4. Step 4: Simplify right side
    5,436.87x = 14,184,212.19
  5. Step 5: Solve for x
    x = 14,184,212.19/5,436.87
  6. Step 6: Final answer
    x = 2,608.89

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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.