Home / 4,582.69-6,871.20-3,117.40

Finding the Fourth Proportional to 4,582.69, 6,871.20 and 3,117.40

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Solution

The fourth proportional to 4,582.69, 6,871.20 and 3,117.40 is: 4,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,582.69 : 6,871.20 = 3,117.40 : x
  2. Step 2: Convert to fraction form
    4,582.69/6,871.20 = 3,117.40/x
  3. Step 3: Cross multiply
    4,582.69x = 6,871.20 × 3,117.40
  4. Step 4: Simplify right side
    4,582.69x = 21,420,278.88
  5. Step 5: Solve for x
    x = 21,420,278.88/4,582.69
  6. Step 6: Final answer
    x = 4,674.17

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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.