Home / 4,660.12-6,978.77-3,011.70

Finding the Fourth Proportional to 4,660.12, 6,978.77 and 3,011.70

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Solution

The fourth proportional to 4,660.12, 6,978.77 and 3,011.70 is: 4,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.12 : 6,978.77 = 3,011.70 : x
  2. Step 2: Convert to fraction form
    4,660.12/6,978.77 = 3,011.70/x
  3. Step 3: Cross multiply
    4,660.12x = 6,978.77 × 3,011.70
  4. Step 4: Simplify right side
    4,660.12x = 21,017,961.61
  5. Step 5: Solve for x
    x = 21,017,961.61/4,660.12
  6. Step 6: Final answer
    x = 4,510.18

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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.