Home / 5,220.08-7,200.60-4,177.52

Finding the Fourth Proportional to 5,220.08, 7,200.60 and 4,177.52

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Solution

The fourth proportional to 5,220.08, 7,200.60 and 4,177.52 is: 5,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.08 : 7,200.60 = 4,177.52 : x
  2. Step 2: Convert to fraction form
    5,220.08/7,200.60 = 4,177.52/x
  3. Step 3: Cross multiply
    5,220.08x = 7,200.60 × 4,177.52
  4. Step 4: Simplify right side
    5,220.08x = 30,080,650.51
  5. Step 5: Solve for x
    x = 30,080,650.51/5,220.08
  6. Step 6: Final answer
    x = 5,762.49

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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.