Home / 6,445.10-9,667.54-1,828.10

Finding the Fourth Proportional to 6,445.10, 9,667.54 and 1,828.10

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Solution

The fourth proportional to 6,445.10, 9,667.54 and 1,828.10 is: 2,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.10 : 9,667.54 = 1,828.10 : x
  2. Step 2: Convert to fraction form
    6,445.10/9,667.54 = 1,828.10/x
  3. Step 3: Cross multiply
    6,445.10x = 9,667.54 × 1,828.10
  4. Step 4: Simplify right side
    6,445.10x = 17,673,229.87
  5. Step 5: Solve for x
    x = 17,673,229.87/6,445.10
  6. Step 6: Final answer
    x = 2,742.12

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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.