Home / 4,412.16-6,617.75-1,779.21

Finding the Fourth Proportional to 4,412.16, 6,617.75 and 1,779.21

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Solution

The fourth proportional to 4,412.16, 6,617.75 and 1,779.21 is: 2,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.16 : 6,617.75 = 1,779.21 : x
  2. Step 2: Convert to fraction form
    4,412.16/6,617.75 = 1,779.21/x
  3. Step 3: Cross multiply
    4,412.16x = 6,617.75 × 1,779.21
  4. Step 4: Simplify right side
    4,412.16x = 11,774,358.08
  5. Step 5: Solve for x
    x = 11,774,358.08/4,412.16
  6. Step 6: Final answer
    x = 2,668.62

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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.