Home / 7,125.37-10,689.42-2,963.14

Finding the Fourth Proportional to 7,125.37, 10,689.42 and 2,963.14

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Solution

The fourth proportional to 7,125.37, 10,689.42 and 2,963.14 is: 4,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.37 : 10,689.42 = 2,963.14 : x
  2. Step 2: Convert to fraction form
    7,125.37/10,689.42 = 2,963.14/x
  3. Step 3: Cross multiply
    7,125.37x = 10,689.42 × 2,963.14
  4. Step 4: Simplify right side
    7,125.37x = 31,674,232.37
  5. Step 5: Solve for x
    x = 31,674,232.37/7,125.37
  6. Step 6: Final answer
    x = 4,445.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.