Home / 7,509.32-11,247.58-3,805.20

Finding the Fourth Proportional to 7,509.32, 11,247.58 and 3,805.20

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Solution

The fourth proportional to 7,509.32, 11,247.58 and 3,805.20 is: 5,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.32 : 11,247.58 = 3,805.20 : x
  2. Step 2: Convert to fraction form
    7,509.32/11,247.58 = 3,805.20/x
  3. Step 3: Cross multiply
    7,509.32x = 11,247.58 × 3,805.20
  4. Step 4: Simplify right side
    7,509.32x = 42,799,291.42
  5. Step 5: Solve for x
    x = 42,799,291.42/7,509.32
  6. Step 6: Final answer
    x = 5,699.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.