Home / 7,080.20-9,765.51-4,839.74

Finding the Fourth Proportional to 7,080.20, 9,765.51 and 4,839.74

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Solution

The fourth proportional to 7,080.20, 9,765.51 and 4,839.74 is: 6,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.20 : 9,765.51 = 4,839.74 : x
  2. Step 2: Convert to fraction form
    7,080.20/9,765.51 = 4,839.74/x
  3. Step 3: Cross multiply
    7,080.20x = 9,765.51 × 4,839.74
  4. Step 4: Simplify right side
    7,080.20x = 47,262,480.54
  5. Step 5: Solve for x
    x = 47,262,480.54/7,080.20
  6. Step 6: Final answer
    x = 6,675.31

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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.