Home / 4,678.40-6,456.24-2,582.72

Finding the Fourth Proportional to 4,678.40, 6,456.24 and 2,582.72

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Solution

The fourth proportional to 4,678.40, 6,456.24 and 2,582.72 is: 3,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.40 : 6,456.24 = 2,582.72 : x
  2. Step 2: Convert to fraction form
    4,678.40/6,456.24 = 2,582.72/x
  3. Step 3: Cross multiply
    4,678.40x = 6,456.24 × 2,582.72
  4. Step 4: Simplify right side
    4,678.40x = 16,674,660.17
  5. Step 5: Solve for x
    x = 16,674,660.17/4,678.40
  6. Step 6: Final answer
    x = 3,564.18

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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.