Home / 5,411.04-8,115.16-2,124.16

Finding the Fourth Proportional to 5,411.04, 8,115.16 and 2,124.16

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Solution

The fourth proportional to 5,411.04, 8,115.16 and 2,124.16 is: 3,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.04 : 8,115.16 = 2,124.16 : x
  2. Step 2: Convert to fraction form
    5,411.04/8,115.16 = 2,124.16/x
  3. Step 3: Cross multiply
    5,411.04x = 8,115.16 × 2,124.16
  4. Step 4: Simplify right side
    5,411.04x = 17,237,898.27
  5. Step 5: Solve for x
    x = 17,237,898.27/5,411.04
  6. Step 6: Final answer
    x = 3,185.69

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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.