Home / 5,239.57-7,859.16-1,776.82

Finding the Fourth Proportional to 5,239.57, 7,859.16 and 1,776.82

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Solution

The fourth proportional to 5,239.57, 7,859.16 and 1,776.82 is: 2,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.57 : 7,859.16 = 1,776.82 : x
  2. Step 2: Convert to fraction form
    5,239.57/7,859.16 = 1,776.82/x
  3. Step 3: Cross multiply
    5,239.57x = 7,859.16 × 1,776.82
  4. Step 4: Simplify right side
    5,239.57x = 13,964,312.67
  5. Step 5: Solve for x
    x = 13,964,312.67/5,239.57
  6. Step 6: Final answer
    x = 2,665.16

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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.