Home / 7,539.90-10,404.06-4,182.54

Finding the Fourth Proportional to 7,539.90, 10,404.06 and 4,182.54

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Solution

The fourth proportional to 7,539.90, 10,404.06 and 4,182.54 is: 5,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.90 : 10,404.06 = 4,182.54 : x
  2. Step 2: Convert to fraction form
    7,539.90/10,404.06 = 4,182.54/x
  3. Step 3: Cross multiply
    7,539.90x = 10,404.06 × 4,182.54
  4. Step 4: Simplify right side
    7,539.90x = 43,515,397.11
  5. Step 5: Solve for x
    x = 43,515,397.11/7,539.90
  6. Step 6: Final answer
    x = 5,771.35

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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.