Home / 7,310.28-10,087.06-4,165.32

Finding the Fourth Proportional to 7,310.28, 10,087.06 and 4,165.32

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Solution

The fourth proportional to 7,310.28, 10,087.06 and 4,165.32 is: 5,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.28 : 10,087.06 = 4,165.32 : x
  2. Step 2: Convert to fraction form
    7,310.28/10,087.06 = 4,165.32/x
  3. Step 3: Cross multiply
    7,310.28x = 10,087.06 × 4,165.32
  4. Step 4: Simplify right side
    7,310.28x = 42,015,832.76
  5. Step 5: Solve for x
    x = 42,015,832.76/7,310.28
  6. Step 6: Final answer
    x = 5,747.50

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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.