Home / 5,541.80-8,300.55-4,812.80

Finding the Fourth Proportional to 5,541.80, 8,300.55 and 4,812.80

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Solution

The fourth proportional to 5,541.80, 8,300.55 and 4,812.80 is: 7,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.80 : 8,300.55 = 4,812.80 : x
  2. Step 2: Convert to fraction form
    5,541.80/8,300.55 = 4,812.80/x
  3. Step 3: Cross multiply
    5,541.80x = 8,300.55 × 4,812.80
  4. Step 4: Simplify right side
    5,541.80x = 39,948,887.04
  5. Step 5: Solve for x
    x = 39,948,887.04/5,541.80
  6. Step 6: Final answer
    x = 7,208.65

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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.