Home / 5,455.12-7,532.88-4,055.44

Finding the Fourth Proportional to 5,455.12, 7,532.88 and 4,055.44

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Solution

The fourth proportional to 5,455.12, 7,532.88 and 4,055.44 is: 5,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.12 : 7,532.88 = 4,055.44 : x
  2. Step 2: Convert to fraction form
    5,455.12/7,532.88 = 4,055.44/x
  3. Step 3: Cross multiply
    5,455.12x = 7,532.88 × 4,055.44
  4. Step 4: Simplify right side
    5,455.12x = 30,549,142.87
  5. Step 5: Solve for x
    x = 30,549,142.87/5,455.12
  6. Step 6: Final answer
    x = 5,600.09

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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.