Home / 9,793.20-14,688.30-3,219.40

Finding the Fourth Proportional to 9,793.20, 14,688.30 and 3,219.40

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Solution

The fourth proportional to 9,793.20, 14,688.30 and 3,219.40 is: 4,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.20 : 14,688.30 = 3,219.40 : x
  2. Step 2: Convert to fraction form
    9,793.20/14,688.30 = 3,219.40/x
  3. Step 3: Cross multiply
    9,793.20x = 14,688.30 × 3,219.40
  4. Step 4: Simplify right side
    9,793.20x = 47,287,513.02
  5. Step 5: Solve for x
    x = 47,287,513.02/9,793.20
  6. Step 6: Final answer
    x = 4,828.61

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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.