Home / 7,147.94-9,861.68-4,495.55

Finding the Fourth Proportional to 7,147.94, 9,861.68 and 4,495.55

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Solution

The fourth proportional to 7,147.94, 9,861.68 and 4,495.55 is: 6,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.94 : 9,861.68 = 4,495.55 : x
  2. Step 2: Convert to fraction form
    7,147.94/9,861.68 = 4,495.55/x
  3. Step 3: Cross multiply
    7,147.94x = 9,861.68 × 4,495.55
  4. Step 4: Simplify right side
    7,147.94x = 44,333,603.74
  5. Step 5: Solve for x
    x = 44,333,603.74/7,147.94
  6. Step 6: Final answer
    x = 6,202.30

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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.