Home / 9,579.69-13,219.47-5,330.97

Finding the Fourth Proportional to 9,579.69, 13,219.47 and 5,330.97

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Solution

The fourth proportional to 9,579.69, 13,219.47 and 5,330.97 is: 7,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.69 : 13,219.47 = 5,330.97 : x
  2. Step 2: Convert to fraction form
    9,579.69/13,219.47 = 5,330.97/x
  3. Step 3: Cross multiply
    9,579.69x = 13,219.47 × 5,330.97
  4. Step 4: Simplify right side
    9,579.69x = 70,472,597.99
  5. Step 5: Solve for x
    x = 70,472,597.99/9,579.69
  6. Step 6: Final answer
    x = 7,356.46

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Half scale
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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.