Home / 7,310.88-10,088.96-4,167.12

Finding the Fourth Proportional to 7,310.88, 10,088.96 and 4,167.12

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Solution

The fourth proportional to 7,310.88, 10,088.96 and 4,167.12 is: 5,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.88 : 10,088.96 = 4,167.12 : x
  2. Step 2: Convert to fraction form
    7,310.88/10,088.96 = 4,167.12/x
  3. Step 3: Cross multiply
    7,310.88x = 10,088.96 × 4,167.12
  4. Step 4: Simplify right side
    7,310.88x = 42,041,907.00
  5. Step 5: Solve for x
    x = 42,041,907.00/7,310.88
  6. Step 6: Final answer
    x = 5,750.59

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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.