Home / 7,325.20-10,102.62-5,644.72

Finding the Fourth Proportional to 7,325.20, 10,102.62 and 5,644.72

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Solution

The fourth proportional to 7,325.20, 10,102.62 and 5,644.72 is: 7,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.20 : 10,102.62 = 5,644.72 : x
  2. Step 2: Convert to fraction form
    7,325.20/10,102.62 = 5,644.72/x
  3. Step 3: Cross multiply
    7,325.20x = 10,102.62 × 5,644.72
  4. Step 4: Simplify right side
    7,325.20x = 57,026,461.17
  5. Step 5: Solve for x
    x = 57,026,461.17/7,325.20
  6. Step 6: Final answer
    x = 7,784.97

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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.