Home / 5,810.08-8,715.04-2,112.16

Finding the Fourth Proportional to 5,810.08, 8,715.04 and 2,112.16

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Solution

The fourth proportional to 5,810.08, 8,715.04 and 2,112.16 is: 3,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.08 : 8,715.04 = 2,112.16 : x
  2. Step 2: Convert to fraction form
    5,810.08/8,715.04 = 2,112.16/x
  3. Step 3: Cross multiply
    5,810.08x = 8,715.04 × 2,112.16
  4. Step 4: Simplify right side
    5,810.08x = 18,407,558.89
  5. Step 5: Solve for x
    x = 18,407,558.89/5,810.08
  6. Step 6: Final answer
    x = 3,168.21

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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.