Home / 4,647.30-6,412.63-2,657.99

Finding the Fourth Proportional to 4,647.30, 6,412.63 and 2,657.99

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Solution

The fourth proportional to 4,647.30, 6,412.63 and 2,657.99 is: 3,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.30 : 6,412.63 = 2,657.99 : x
  2. Step 2: Convert to fraction form
    4,647.30/6,412.63 = 2,657.99/x
  3. Step 3: Cross multiply
    4,647.30x = 6,412.63 × 2,657.99
  4. Step 4: Simplify right side
    4,647.30x = 17,044,706.41
  5. Step 5: Solve for x
    x = 17,044,706.41/4,647.30
  6. Step 6: Final answer
    x = 3,667.66

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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.