Home / 7,539.83-11,318.85-7,485.15

Finding the Fourth Proportional to 7,539.83, 11,318.85 and 7,485.15

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Solution

The fourth proportional to 7,539.83, 11,318.85 and 7,485.15 is: 11,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.83 : 11,318.85 = 7,485.15 : x
  2. Step 2: Convert to fraction form
    7,539.83/11,318.85 = 7,485.15/x
  3. Step 3: Cross multiply
    7,539.83x = 11,318.85 × 7,485.15
  4. Step 4: Simplify right side
    7,539.83x = 84,723,290.08
  5. Step 5: Solve for x
    x = 84,723,290.08/7,539.83
  6. Step 6: Final answer
    x = 11,236.77

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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.