Home / 7,355.56-10,147.30-4,369.72

Finding the Fourth Proportional to 7,355.56, 10,147.30 and 4,369.72

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Solution

The fourth proportional to 7,355.56, 10,147.30 and 4,369.72 is: 6,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.56 : 10,147.30 = 4,369.72 : x
  2. Step 2: Convert to fraction form
    7,355.56/10,147.30 = 4,369.72/x
  3. Step 3: Cross multiply
    7,355.56x = 10,147.30 × 4,369.72
  4. Step 4: Simplify right side
    7,355.56x = 44,340,859.76
  5. Step 5: Solve for x
    x = 44,340,859.76/7,355.56
  6. Step 6: Final answer
    x = 6,028.21

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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.