Home / 7,516.10-11,270.96-3,765.40

Finding the Fourth Proportional to 7,516.10, 11,270.96 and 3,765.40

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Solution

The fourth proportional to 7,516.10, 11,270.96 and 3,765.40 is: 5,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.10 : 11,270.96 = 3,765.40 : x
  2. Step 2: Convert to fraction form
    7,516.10/11,270.96 = 3,765.40/x
  3. Step 3: Cross multiply
    7,516.10x = 11,270.96 × 3,765.40
  4. Step 4: Simplify right side
    7,516.10x = 42,439,672.78
  5. Step 5: Solve for x
    x = 42,439,672.78/7,516.10
  6. Step 6: Final answer
    x = 5,646.50

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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.