Home / 7,563.56-11,337.54-5,478.32

Finding the Fourth Proportional to 7,563.56, 11,337.54 and 5,478.32

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Solution

The fourth proportional to 7,563.56, 11,337.54 and 5,478.32 is: 8,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.56 : 11,337.54 = 5,478.32 : x
  2. Step 2: Convert to fraction form
    7,563.56/11,337.54 = 5,478.32/x
  3. Step 3: Cross multiply
    7,563.56x = 11,337.54 × 5,478.32
  4. Step 4: Simplify right side
    7,563.56x = 62,110,672.13
  5. Step 5: Solve for x
    x = 62,110,672.13/7,563.56
  6. Step 6: Final answer
    x = 8,211.83

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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.