Home / 7,539.43-10,404.47-4,182.05

Finding the Fourth Proportional to 7,539.43, 10,404.47 and 4,182.05

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Solution

The fourth proportional to 7,539.43, 10,404.47 and 4,182.05 is: 5,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.43 : 10,404.47 = 4,182.05 : x
  2. Step 2: Convert to fraction form
    7,539.43/10,404.47 = 4,182.05/x
  3. Step 3: Cross multiply
    7,539.43x = 10,404.47 × 4,182.05
  4. Step 4: Simplify right side
    7,539.43x = 43,512,013.76
  5. Step 5: Solve for x
    x = 43,512,013.76/7,539.43
  6. Step 6: Final answer
    x = 5,771.26

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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.