Home / 7,431.40-11,148.74-2,500.88

Finding the Fourth Proportional to 7,431.40, 11,148.74 and 2,500.88

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Solution

The fourth proportional to 7,431.40, 11,148.74 and 2,500.88 is: 3,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.40 : 11,148.74 = 2,500.88 : x
  2. Step 2: Convert to fraction form
    7,431.40/11,148.74 = 2,500.88/x
  3. Step 3: Cross multiply
    7,431.40x = 11,148.74 × 2,500.88
  4. Step 4: Simplify right side
    7,431.40x = 27,881,602.02
  5. Step 5: Solve for x
    x = 27,881,602.02/7,431.40
  6. Step 6: Final answer
    x = 3,751.87

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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.