Home / 5,663.85-8,495.91-2,155.53

Finding the Fourth Proportional to 5,663.85, 8,495.91 and 2,155.53

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Solution

The fourth proportional to 5,663.85, 8,495.91 and 2,155.53 is: 3,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.85 : 8,495.91 = 2,155.53 : x
  2. Step 2: Convert to fraction form
    5,663.85/8,495.91 = 2,155.53/x
  3. Step 3: Cross multiply
    5,663.85x = 8,495.91 × 2,155.53
  4. Step 4: Simplify right side
    5,663.85x = 18,313,188.88
  5. Step 5: Solve for x
    x = 18,313,188.88/5,663.85
  6. Step 6: Final answer
    x = 3,233.35

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1.5x scale

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.