Home / 9,313.72-13,970.36-4,380.62

Finding the Fourth Proportional to 9,313.72, 13,970.36 and 4,380.62

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Solution

The fourth proportional to 9,313.72, 13,970.36 and 4,380.62 is: 6,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.72 : 13,970.36 = 4,380.62 : x
  2. Step 2: Convert to fraction form
    9,313.72/13,970.36 = 4,380.62/x
  3. Step 3: Cross multiply
    9,313.72x = 13,970.36 × 4,380.62
  4. Step 4: Simplify right side
    9,313.72x = 61,198,838.42
  5. Step 5: Solve for x
    x = 61,198,838.42/9,313.72
  6. Step 6: Final answer
    x = 6,570.83

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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.