Home / 7,925.22-10,936.36-4,388.21

Finding the Fourth Proportional to 7,925.22, 10,936.36 and 4,388.21

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Solution

The fourth proportional to 7,925.22, 10,936.36 and 4,388.21 is: 6,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.22 : 10,936.36 = 4,388.21 : x
  2. Step 2: Convert to fraction form
    7,925.22/10,936.36 = 4,388.21/x
  3. Step 3: Cross multiply
    7,925.22x = 10,936.36 × 4,388.21
  4. Step 4: Simplify right side
    7,925.22x = 47,991,036.13
  5. Step 5: Solve for x
    x = 47,991,036.13/7,925.22
  6. Step 6: Final answer
    x = 6,055.48

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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.