Home / 5,430.33-8,146.20-1,534.83

Finding the Fourth Proportional to 5,430.33, 8,146.20 and 1,534.83

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Solution

The fourth proportional to 5,430.33, 8,146.20 and 1,534.83 is: 2,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.33 : 8,146.20 = 1,534.83 : x
  2. Step 2: Convert to fraction form
    5,430.33/8,146.20 = 1,534.83/x
  3. Step 3: Cross multiply
    5,430.33x = 8,146.20 × 1,534.83
  4. Step 4: Simplify right side
    5,430.33x = 12,503,032.15
  5. Step 5: Solve for x
    x = 12,503,032.15/5,430.33
  6. Step 6: Final answer
    x = 2,302.44

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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.