Home / 4,864.72-7,291.38-1,943.86

Finding the Fourth Proportional to 4,864.72, 7,291.38 and 1,943.86

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Solution

The fourth proportional to 4,864.72, 7,291.38 and 1,943.86 is: 2,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.72 : 7,291.38 = 1,943.86 : x
  2. Step 2: Convert to fraction form
    4,864.72/7,291.38 = 1,943.86/x
  3. Step 3: Cross multiply
    4,864.72x = 7,291.38 × 1,943.86
  4. Step 4: Simplify right side
    4,864.72x = 14,173,421.93
  5. Step 5: Solve for x
    x = 14,173,421.93/4,864.72
  6. Step 6: Final answer
    x = 2,913.51

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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.