Home / 7,156.05-9,873.33-4,638.27

Finding the Fourth Proportional to 7,156.05, 9,873.33 and 4,638.27

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Solution

The fourth proportional to 7,156.05, 9,873.33 and 4,638.27 is: 6,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.05 : 9,873.33 = 4,638.27 : x
  2. Step 2: Convert to fraction form
    7,156.05/9,873.33 = 4,638.27/x
  3. Step 3: Cross multiply
    7,156.05x = 9,873.33 × 4,638.27
  4. Step 4: Simplify right side
    7,156.05x = 45,795,145.66
  5. Step 5: Solve for x
    x = 45,795,145.66/7,156.05
  6. Step 6: Final answer
    x = 6,399.50

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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.