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Finding the Fourth Proportional to 10,595.88, 15,895.08 and 4,751.64

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Solution

The fourth proportional to 10,595.88, 15,895.08 and 4,751.64 is: 7,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595.88 : 15,895.08 = 4,751.64 : x
  2. Step 2: Convert to fraction form
    10,595.88/15,895.08 = 4,751.64/x
  3. Step 3: Cross multiply
    10,595.88x = 15,895.08 × 4,751.64
  4. Step 4: Simplify right side
    10,595.88x = 75,527,697.93
  5. Step 5: Solve for x
    x = 75,527,697.93/10,595.88
  6. Step 6: Final answer
    x = 7,128.03

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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.