Home / 7,385.87-11,078.60-2,459.04

Finding the Fourth Proportional to 7,385.87, 11,078.60 and 2,459.04

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Solution

The fourth proportional to 7,385.87, 11,078.60 and 2,459.04 is: 3,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.87 : 11,078.60 = 2,459.04 : x
  2. Step 2: Convert to fraction form
    7,385.87/11,078.60 = 2,459.04/x
  3. Step 3: Cross multiply
    7,385.87x = 11,078.60 × 2,459.04
  4. Step 4: Simplify right side
    7,385.87x = 27,242,708.25
  5. Step 5: Solve for x
    x = 27,242,708.25/7,385.87
  6. Step 6: Final answer
    x = 3,688.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.