Home / 7,739.19-10,680.30-4,336.47

Finding the Fourth Proportional to 7,739.19, 10,680.30 and 4,336.47

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Solution

The fourth proportional to 7,739.19, 10,680.30 and 4,336.47 is: 5,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.19 : 10,680.30 = 4,336.47 : x
  2. Step 2: Convert to fraction form
    7,739.19/10,680.30 = 4,336.47/x
  3. Step 3: Cross multiply
    7,739.19x = 10,680.30 × 4,336.47
  4. Step 4: Simplify right side
    7,739.19x = 46,314,800.54
  5. Step 5: Solve for x
    x = 46,314,800.54/7,739.19
  6. Step 6: Final answer
    x = 5,984.45

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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.