Home / 4,442.77-6,666.46-1,812.21

Finding the Fourth Proportional to 4,442.77, 6,666.46 and 1,812.21

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Solution

The fourth proportional to 4,442.77, 6,666.46 and 1,812.21 is: 2,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.77 : 6,666.46 = 1,812.21 : x
  2. Step 2: Convert to fraction form
    4,442.77/6,666.46 = 1,812.21/x
  3. Step 3: Cross multiply
    4,442.77x = 6,666.46 × 1,812.21
  4. Step 4: Simplify right side
    4,442.77x = 12,080,996.67
  5. Step 5: Solve for x
    x = 12,080,996.67/4,442.77
  6. Step 6: Final answer
    x = 2,719.25

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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.