Home / 7,505.30-10,357.32-4,102.37

Finding the Fourth Proportional to 7,505.30, 10,357.32 and 4,102.37

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Solution

The fourth proportional to 7,505.30, 10,357.32 and 4,102.37 is: 5,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.30 : 10,357.32 = 4,102.37 : x
  2. Step 2: Convert to fraction form
    7,505.30/10,357.32 = 4,102.37/x
  3. Step 3: Cross multiply
    7,505.30x = 10,357.32 × 4,102.37
  4. Step 4: Simplify right side
    7,505.30x = 42,489,486.55
  5. Step 5: Solve for x
    x = 42,489,486.55/7,505.30
  6. Step 6: Final answer
    x = 5,661.27

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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.