Home / 4,864.47-6,710.52-3,188.70

Finding the Fourth Proportional to 4,864.47, 6,710.52 and 3,188.70

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Solution

The fourth proportional to 4,864.47, 6,710.52 and 3,188.70 is: 4,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.47 : 6,710.52 = 3,188.70 : x
  2. Step 2: Convert to fraction form
    4,864.47/6,710.52 = 3,188.70/x
  3. Step 3: Cross multiply
    4,864.47x = 6,710.52 × 3,188.70
  4. Step 4: Simplify right side
    4,864.47x = 21,397,835.12
  5. Step 5: Solve for x
    x = 21,397,835.12/4,864.47
  6. Step 6: Final answer
    x = 4,398.80

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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.