Home / 5,219.17-7,829.12-2,099.19

Finding the Fourth Proportional to 5,219.17, 7,829.12 and 2,099.19

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Solution

The fourth proportional to 5,219.17, 7,829.12 and 2,099.19 is: 3,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.17 : 7,829.12 = 2,099.19 : x
  2. Step 2: Convert to fraction form
    5,219.17/7,829.12 = 2,099.19/x
  3. Step 3: Cross multiply
    5,219.17x = 7,829.12 × 2,099.19
  4. Step 4: Simplify right side
    5,219.17x = 16,434,810.41
  5. Step 5: Solve for x
    x = 16,434,810.41/5,219.17
  6. Step 6: Final answer
    x = 3,148.93

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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.