Home / 9,213.77-12,715.02-5,236.20

Finding the Fourth Proportional to 9,213.77, 12,715.02 and 5,236.20

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Solution

The fourth proportional to 9,213.77, 12,715.02 and 5,236.20 is: 7,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.77 : 12,715.02 = 5,236.20 : x
  2. Step 2: Convert to fraction form
    9,213.77/12,715.02 = 5,236.20/x
  3. Step 3: Cross multiply
    9,213.77x = 12,715.02 × 5,236.20
  4. Step 4: Simplify right side
    9,213.77x = 66,578,387.72
  5. Step 5: Solve for x
    x = 66,578,387.72/9,213.77
  6. Step 6: Final answer
    x = 7,225.97

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Double scale
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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.