Home / 5,159.35-7,739.58-1,695.79

Finding the Fourth Proportional to 5,159.35, 7,739.58 and 1,695.79

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Solution

The fourth proportional to 5,159.35, 7,739.58 and 1,695.79 is: 2,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.35 : 7,739.58 = 1,695.79 : x
  2. Step 2: Convert to fraction form
    5,159.35/7,739.58 = 1,695.79/x
  3. Step 3: Cross multiply
    5,159.35x = 7,739.58 × 1,695.79
  4. Step 4: Simplify right side
    5,159.35x = 13,124,702.37
  5. Step 5: Solve for x
    x = 13,124,702.37/5,159.35
  6. Step 6: Final answer
    x = 2,543.87

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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.