Home / 5,439.29-8,151.62-4,477.01

Finding the Fourth Proportional to 5,439.29, 8,151.62 and 4,477.01

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Solution

The fourth proportional to 5,439.29, 8,151.62 and 4,477.01 is: 6,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.29 : 8,151.62 = 4,477.01 : x
  2. Step 2: Convert to fraction form
    5,439.29/8,151.62 = 4,477.01/x
  3. Step 3: Cross multiply
    5,439.29x = 8,151.62 × 4,477.01
  4. Step 4: Simplify right side
    5,439.29x = 36,494,821.11
  5. Step 5: Solve for x
    x = 36,494,821.11/5,439.29
  6. Step 6: Final answer
    x = 6,709.49

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Double scale
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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.