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Finding the Fourth Proportional to 7,386.53, 10,193.19 and 4,029.41

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Solution

The fourth proportional to 7,386.53, 10,193.19 and 4,029.41 is: 5,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.53 : 10,193.19 = 4,029.41 : x
  2. Step 2: Convert to fraction form
    7,386.53/10,193.19 = 4,029.41/x
  3. Step 3: Cross multiply
    7,386.53x = 10,193.19 × 4,029.41
  4. Step 4: Simplify right side
    7,386.53x = 41,072,541.72
  5. Step 5: Solve for x
    x = 41,072,541.72/7,386.53
  6. Step 6: Final answer
    x = 5,560.47

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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.