Home / 7,750.45-10,698.06-4,395.49

Finding the Fourth Proportional to 7,750.45, 10,698.06 and 4,395.49

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Solution

The fourth proportional to 7,750.45, 10,698.06 and 4,395.49 is: 6,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.45 : 10,698.06 = 4,395.49 : x
  2. Step 2: Convert to fraction form
    7,750.45/10,698.06 = 4,395.49/x
  3. Step 3: Cross multiply
    7,750.45x = 10,698.06 × 4,395.49
  4. Step 4: Simplify right side
    7,750.45x = 47,023,201.58
  5. Step 5: Solve for x
    x = 47,023,201.58/7,750.45
  6. Step 6: Final answer
    x = 6,067.16

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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.