Home / 7,488.35-10,333.86-4,131.19

Finding the Fourth Proportional to 7,488.35, 10,333.86 and 4,131.19

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Solution

The fourth proportional to 7,488.35, 10,333.86 and 4,131.19 is: 5,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.35 : 10,333.86 = 4,131.19 : x
  2. Step 2: Convert to fraction form
    7,488.35/10,333.86 = 4,131.19/x
  3. Step 3: Cross multiply
    7,488.35x = 10,333.86 × 4,131.19
  4. Step 4: Simplify right side
    7,488.35x = 42,691,163.64
  5. Step 5: Solve for x
    x = 42,691,163.64/7,488.35
  6. Step 6: Final answer
    x = 5,701.01

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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.