Home / 7,431.98-10,245.47-5,303.88

Finding the Fourth Proportional to 7,431.98, 10,245.47 and 5,303.88

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Solution

The fourth proportional to 7,431.98, 10,245.47 and 5,303.88 is: 7,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.98 : 10,245.47 = 5,303.88 : x
  2. Step 2: Convert to fraction form
    7,431.98/10,245.47 = 5,303.88/x
  3. Step 3: Cross multiply
    7,431.98x = 10,245.47 × 5,303.88
  4. Step 4: Simplify right side
    7,431.98x = 54,340,716.90
  5. Step 5: Solve for x
    x = 54,340,716.90/7,431.98
  6. Step 6: Final answer
    x = 7,311.75

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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.