Home / 5,300.65-7,951.15-2,666.72

Finding the Fourth Proportional to 5,300.65, 7,951.15 and 2,666.72

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Solution

The fourth proportional to 5,300.65, 7,951.15 and 2,666.72 is: 4,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.65 : 7,951.15 = 2,666.72 : x
  2. Step 2: Convert to fraction form
    5,300.65/7,951.15 = 2,666.72/x
  3. Step 3: Cross multiply
    5,300.65x = 7,951.15 × 2,666.72
  4. Step 4: Simplify right side
    5,300.65x = 21,203,437.64
  5. Step 5: Solve for x
    x = 21,203,437.64/5,300.65
  6. Step 6: Final answer
    x = 4,000.16

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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.