Home / 7,289.39-10,060.78-4,740.30

Finding the Fourth Proportional to 7,289.39, 10,060.78 and 4,740.30

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Solution

The fourth proportional to 7,289.39, 10,060.78 and 4,740.30 is: 6,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.39 : 10,060.78 = 4,740.30 : x
  2. Step 2: Convert to fraction form
    7,289.39/10,060.78 = 4,740.30/x
  3. Step 3: Cross multiply
    7,289.39x = 10,060.78 × 4,740.30
  4. Step 4: Simplify right side
    7,289.39x = 47,691,103.58
  5. Step 5: Solve for x
    x = 47,691,103.58/7,289.39
  6. Step 6: Final answer
    x = 6,542.53

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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.