Home / 4,678.65-6,456.54-2,582.79

Finding the Fourth Proportional to 4,678.65, 6,456.54 and 2,582.79

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Solution

The fourth proportional to 4,678.65, 6,456.54 and 2,582.79 is: 3,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.65 : 6,456.54 = 2,582.79 : x
  2. Step 2: Convert to fraction form
    4,678.65/6,456.54 = 2,582.79/x
  3. Step 3: Cross multiply
    4,678.65x = 6,456.54 × 2,582.79
  4. Step 4: Simplify right side
    4,678.65x = 16,675,886.95
  5. Step 5: Solve for x
    x = 16,675,886.95/4,678.65
  6. Step 6: Final answer
    x = 3,564.25

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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.