Home / 7,539.42-10,404.36-4,182.20

Finding the Fourth Proportional to 7,539.42, 10,404.36 and 4,182.20

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Solution

The fourth proportional to 7,539.42, 10,404.36 and 4,182.20 is: 5,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.42 : 10,404.36 = 4,182.20 : x
  2. Step 2: Convert to fraction form
    7,539.42/10,404.36 = 4,182.20/x
  3. Step 3: Cross multiply
    7,539.42x = 10,404.36 × 4,182.20
  4. Step 4: Simplify right side
    7,539.42x = 43,513,041.46
  5. Step 5: Solve for x
    x = 43,513,041.46/7,539.42
  6. Step 6: Final answer
    x = 5,771.41

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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.