Home / 5,550.08-7,655.60-4,220.87

Finding the Fourth Proportional to 5,550.08, 7,655.60 and 4,220.87

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Solution

The fourth proportional to 5,550.08, 7,655.60 and 4,220.87 is: 5,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.08 : 7,655.60 = 4,220.87 : x
  2. Step 2: Convert to fraction form
    5,550.08/7,655.60 = 4,220.87/x
  3. Step 3: Cross multiply
    5,550.08x = 7,655.60 × 4,220.87
  4. Step 4: Simplify right side
    5,550.08x = 32,313,271.27
  5. Step 5: Solve for x
    x = 32,313,271.27/5,550.08
  6. Step 6: Final answer
    x = 5,822.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.