Home / 5,513.63-8,270.55-1,816.16

Finding the Fourth Proportional to 5,513.63, 8,270.55 and 1,816.16

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Solution

The fourth proportional to 5,513.63, 8,270.55 and 1,816.16 is: 2,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.63 : 8,270.55 = 1,816.16 : x
  2. Step 2: Convert to fraction form
    5,513.63/8,270.55 = 1,816.16/x
  3. Step 3: Cross multiply
    5,513.63x = 8,270.55 × 1,816.16
  4. Step 4: Simplify right side
    5,513.63x = 15,020,600.74
  5. Step 5: Solve for x
    x = 15,020,600.74/5,513.63
  6. Step 6: Final answer
    x = 2,724.27

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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.