Home / 9,628.04-13,286.58-5,379.18

Finding the Fourth Proportional to 9,628.04, 13,286.58 and 5,379.18

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Solution

The fourth proportional to 9,628.04, 13,286.58 and 5,379.18 is: 7,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.04 : 13,286.58 = 5,379.18 : x
  2. Step 2: Convert to fraction form
    9,628.04/13,286.58 = 5,379.18/x
  3. Step 3: Cross multiply
    9,628.04x = 13,286.58 × 5,379.18
  4. Step 4: Simplify right side
    9,628.04x = 71,470,885.23
  5. Step 5: Solve for x
    x = 71,470,885.23/9,628.04
  6. Step 6: Final answer
    x = 7,423.21

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Double scale
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Similar ratio
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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.