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Finding the Fourth Proportional to 7,298.53, 10,072.22 and 4,316.92

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Solution

The fourth proportional to 7,298.53, 10,072.22 and 4,316.92 is: 5,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.53 : 10,072.22 = 4,316.92 : x
  2. Step 2: Convert to fraction form
    7,298.53/10,072.22 = 4,316.92/x
  3. Step 3: Cross multiply
    7,298.53x = 10,072.22 × 4,316.92
  4. Step 4: Simplify right side
    7,298.53x = 43,480,921.20
  5. Step 5: Solve for x
    x = 43,480,921.20/7,298.53
  6. Step 6: Final answer
    x = 5,957.49

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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.