Home / 5,551.70-8,328.86-1,656.20

Finding the Fourth Proportional to 5,551.70, 8,328.86 and 1,656.20

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Solution

The fourth proportional to 5,551.70, 8,328.86 and 1,656.20 is: 2,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.70 : 8,328.86 = 1,656.20 : x
  2. Step 2: Convert to fraction form
    5,551.70/8,328.86 = 1,656.20/x
  3. Step 3: Cross multiply
    5,551.70x = 8,328.86 × 1,656.20
  4. Step 4: Simplify right side
    5,551.70x = 13,794,208.01
  5. Step 5: Solve for x
    x = 13,794,208.01/5,551.70
  6. Step 6: Final answer
    x = 2,484.68

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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.