Home / 5,239.51-7,860.24-1,729.76

Finding the Fourth Proportional to 5,239.51, 7,860.24 and 1,729.76

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Solution

The fourth proportional to 5,239.51, 7,860.24 and 1,729.76 is: 2,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.51 : 7,860.24 = 1,729.76 : x
  2. Step 2: Convert to fraction form
    5,239.51/7,860.24 = 1,729.76/x
  3. Step 3: Cross multiply
    5,239.51x = 7,860.24 × 1,729.76
  4. Step 4: Simplify right side
    5,239.51x = 13,596,344.07
  5. Step 5: Solve for x
    x = 13,596,344.07/5,239.51
  6. Step 6: Final answer
    x = 2,594.96

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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.