Home / 5,239.08-7,858.69-1,729.45

Finding the Fourth Proportional to 5,239.08, 7,858.69 and 1,729.45

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Solution

The fourth proportional to 5,239.08, 7,858.69 and 1,729.45 is: 2,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.08 : 7,858.69 = 1,729.45 : x
  2. Step 2: Convert to fraction form
    5,239.08/7,858.69 = 1,729.45/x
  3. Step 3: Cross multiply
    5,239.08x = 7,858.69 × 1,729.45
  4. Step 4: Simplify right side
    5,239.08x = 13,591,211.42
  5. Step 5: Solve for x
    x = 13,591,211.42/5,239.08
  6. Step 6: Final answer
    x = 2,594.20

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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.