Home / 4,582.78-6,871.47-1,807.18

Finding the Fourth Proportional to 4,582.78, 6,871.47 and 1,807.18

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Solution

The fourth proportional to 4,582.78, 6,871.47 and 1,807.18 is: 2,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,582.78 : 6,871.47 = 1,807.18 : x
  2. Step 2: Convert to fraction form
    4,582.78/6,871.47 = 1,807.18/x
  3. Step 3: Cross multiply
    4,582.78x = 6,871.47 × 1,807.18
  4. Step 4: Simplify right side
    4,582.78x = 12,417,983.15
  5. Step 5: Solve for x
    x = 12,417,983.15/4,582.78
  6. Step 6: Final answer
    x = 2,709.71

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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.