Home / 5,159.20-7,730.70-4,462.60

Finding the Fourth Proportional to 5,159.20, 7,730.70 and 4,462.60

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Solution

The fourth proportional to 5,159.20, 7,730.70 and 4,462.60 is: 6,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.20 : 7,730.70 = 4,462.60 : x
  2. Step 2: Convert to fraction form
    5,159.20/7,730.70 = 4,462.60/x
  3. Step 3: Cross multiply
    5,159.20x = 7,730.70 × 4,462.60
  4. Step 4: Simplify right side
    5,159.20x = 34,499,021.82
  5. Step 5: Solve for x
    x = 34,499,021.82/5,159.20
  6. Step 6: Final answer
    x = 6,686.89

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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.