Home / 4,786.74-7,176.98-1,666.50

Finding the Fourth Proportional to 4,786.74, 7,176.98 and 1,666.50

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Solution

The fourth proportional to 4,786.74, 7,176.98 and 1,666.50 is: 2,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.74 : 7,176.98 = 1,666.50 : x
  2. Step 2: Convert to fraction form
    4,786.74/7,176.98 = 1,666.50/x
  3. Step 3: Cross multiply
    4,786.74x = 7,176.98 × 1,666.50
  4. Step 4: Simplify right side
    4,786.74x = 11,960,428.84
  5. Step 5: Solve for x
    x = 11,960,428.84/4,786.74
  6. Step 6: Final answer
    x = 2,498.66

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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.