Home / 9,293.18-12,821.45-5,311.46

Finding the Fourth Proportional to 9,293.18, 12,821.45 and 5,311.46

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Solution

The fourth proportional to 9,293.18, 12,821.45 and 5,311.46 is: 7,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.18 : 12,821.45 = 5,311.46 : x
  2. Step 2: Convert to fraction form
    9,293.18/12,821.45 = 5,311.46/x
  3. Step 3: Cross multiply
    9,293.18x = 12,821.45 × 5,311.46
  4. Step 4: Simplify right side
    9,293.18x = 68,100,624.31
  5. Step 5: Solve for x
    x = 68,100,624.31/9,293.18
  6. Step 6: Final answer
    x = 7,328.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.