Home / 7,408.30-11,130.46-4,777.08

Finding the Fourth Proportional to 7,408.30, 11,130.46 and 4,777.08

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Solution

The fourth proportional to 7,408.30, 11,130.46 and 4,777.08 is: 7,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.30 : 11,130.46 = 4,777.08 : x
  2. Step 2: Convert to fraction form
    7,408.30/11,130.46 = 4,777.08/x
  3. Step 3: Cross multiply
    7,408.30x = 11,130.46 × 4,777.08
  4. Step 4: Simplify right side
    7,408.30x = 53,171,097.86
  5. Step 5: Solve for x
    x = 53,171,097.86/7,408.30
  6. Step 6: Final answer
    x = 7,177.23

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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.