Home / 5,406.18-8,109.26-1,302.18

Finding the Fourth Proportional to 5,406.18, 8,109.26 and 1,302.18

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Solution

The fourth proportional to 5,406.18, 8,109.26 and 1,302.18 is: 1,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.18 : 8,109.26 = 1,302.18 : x
  2. Step 2: Convert to fraction form
    5,406.18/8,109.26 = 1,302.18/x
  3. Step 3: Cross multiply
    5,406.18x = 8,109.26 × 1,302.18
  4. Step 4: Simplify right side
    5,406.18x = 10,559,716.19
  5. Step 5: Solve for x
    x = 10,559,716.19/5,406.18
  6. Step 6: Final answer
    x = 1,953.27

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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.