Home / 4,815.70-7,234.35-4,686.10

Finding the Fourth Proportional to 4,815.70, 7,234.35 and 4,686.10

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Solution

The fourth proportional to 4,815.70, 7,234.35 and 4,686.10 is: 7,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.70 : 7,234.35 = 4,686.10 : x
  2. Step 2: Convert to fraction form
    4,815.70/7,234.35 = 4,686.10/x
  3. Step 3: Cross multiply
    4,815.70x = 7,234.35 × 4,686.10
  4. Step 4: Simplify right side
    4,815.70x = 33,900,887.54
  5. Step 5: Solve for x
    x = 33,900,887.54/4,815.70
  6. Step 6: Final answer
    x = 7,039.66

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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.