Home / 7,531.84-10,402.46-5,137.73

Finding the Fourth Proportional to 7,531.84, 10,402.46 and 5,137.73

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Solution

The fourth proportional to 7,531.84, 10,402.46 and 5,137.73 is: 7,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.84 : 10,402.46 = 5,137.73 : x
  2. Step 2: Convert to fraction form
    7,531.84/10,402.46 = 5,137.73/x
  3. Step 3: Cross multiply
    7,531.84x = 10,402.46 × 5,137.73
  4. Step 4: Simplify right side
    7,531.84x = 53,445,030.82
  5. Step 5: Solve for x
    x = 53,445,030.82/7,531.84
  6. Step 6: Final answer
    x = 7,095.88

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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.