Home / 4,413-6,621.66-1,818.12

Finding the Fourth Proportional to 4,413, 6,621.66 and 1,818.12

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Solution

The fourth proportional to 4,413, 6,621.66 and 1,818.12 is: 2,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413 : 6,621.66 = 1,818.12 : x
  2. Step 2: Convert to fraction form
    4,413/6,621.66 = 1,818.12/x
  3. Step 3: Cross multiply
    4,413x = 6,621.66 × 1,818.12
  4. Step 4: Simplify right side
    4,413x = 12,038,972.48
  5. Step 5: Solve for x
    x = 12,038,972.48/4,413
  6. Step 6: Final answer
    x = 2,728.07

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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.