Home / 8,675.16-13,005.42-3,407.23

Finding the Fourth Proportional to 8,675.16, 13,005.42 and 3,407.23

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Solution

The fourth proportional to 8,675.16, 13,005.42 and 3,407.23 is: 5,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.16 : 13,005.42 = 3,407.23 : x
  2. Step 2: Convert to fraction form
    8,675.16/13,005.42 = 3,407.23/x
  3. Step 3: Cross multiply
    8,675.16x = 13,005.42 × 3,407.23
  4. Step 4: Simplify right side
    8,675.16x = 44,312,457.19
  5. Step 5: Solve for x
    x = 44,312,457.19/8,675.16
  6. Step 6: Final answer
    x = 5,107.97

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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.