Home / 5,386.18-8,082.96-2,099.30

Finding the Fourth Proportional to 5,386.18, 8,082.96 and 2,099.30

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Solution

The fourth proportional to 5,386.18, 8,082.96 and 2,099.30 is: 3,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.18 : 8,082.96 = 2,099.30 : x
  2. Step 2: Convert to fraction form
    5,386.18/8,082.96 = 2,099.30/x
  3. Step 3: Cross multiply
    5,386.18x = 8,082.96 × 2,099.30
  4. Step 4: Simplify right side
    5,386.18x = 16,968,557.93
  5. Step 5: Solve for x
    x = 16,968,557.93/5,386.18
  6. Step 6: Final answer
    x = 3,150.39

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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.