Home / 7,388.34-10,196.85-4,245.13

Finding the Fourth Proportional to 7,388.34, 10,196.85 and 4,245.13

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Solution

The fourth proportional to 7,388.34, 10,196.85 and 4,245.13 is: 5,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.34 : 10,196.85 = 4,245.13 : x
  2. Step 2: Convert to fraction form
    7,388.34/10,196.85 = 4,245.13/x
  3. Step 3: Cross multiply
    7,388.34x = 10,196.85 × 4,245.13
  4. Step 4: Simplify right side
    7,388.34x = 43,286,953.84
  5. Step 5: Solve for x
    x = 43,286,953.84/7,388.34
  6. Step 6: Final answer
    x = 5,858.82

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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.