Home / 4,445.16-6,667.74-1,812.75

Finding the Fourth Proportional to 4,445.16, 6,667.74 and 1,812.75

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Solution

The fourth proportional to 4,445.16, 6,667.74 and 1,812.75 is: 2,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.16 : 6,667.74 = 1,812.75 : x
  2. Step 2: Convert to fraction form
    4,445.16/6,667.74 = 1,812.75/x
  3. Step 3: Cross multiply
    4,445.16x = 6,667.74 × 1,812.75
  4. Step 4: Simplify right side
    4,445.16x = 12,086,945.69
  5. Step 5: Solve for x
    x = 12,086,945.69/4,445.16
  6. Step 6: Final answer
    x = 2,719.13

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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.