Home / 5,284.57-7,292.72-2,926.66

Finding the Fourth Proportional to 5,284.57, 7,292.72 and 2,926.66

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Solution

The fourth proportional to 5,284.57, 7,292.72 and 2,926.66 is: 4,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.57 : 7,292.72 = 2,926.66 : x
  2. Step 2: Convert to fraction form
    5,284.57/7,292.72 = 2,926.66/x
  3. Step 3: Cross multiply
    5,284.57x = 7,292.72 × 2,926.66
  4. Step 4: Simplify right side
    5,284.57x = 21,343,311.92
  5. Step 5: Solve for x
    x = 21,343,311.92/5,284.57
  6. Step 6: Final answer
    x = 4,038.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.