Home / 5,417.46-8,109.63-3,564.90

Finding the Fourth Proportional to 5,417.46, 8,109.63 and 3,564.90

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Solution

The fourth proportional to 5,417.46, 8,109.63 and 3,564.90 is: 5,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.46 : 8,109.63 = 3,564.90 : x
  2. Step 2: Convert to fraction form
    5,417.46/8,109.63 = 3,564.90/x
  3. Step 3: Cross multiply
    5,417.46x = 8,109.63 × 3,564.90
  4. Step 4: Simplify right side
    5,417.46x = 28,910,019.99
  5. Step 5: Solve for x
    x = 28,910,019.99/5,417.46
  6. Step 6: Final answer
    x = 5,336.45

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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.