Home / 5,430.45-8,146.38-1,534.96

Finding the Fourth Proportional to 5,430.45, 8,146.38 and 1,534.96

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Solution

The fourth proportional to 5,430.45, 8,146.38 and 1,534.96 is: 2,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.45 : 8,146.38 = 1,534.96 : x
  2. Step 2: Convert to fraction form
    5,430.45/8,146.38 = 1,534.96/x
  3. Step 3: Cross multiply
    5,430.45x = 8,146.38 × 1,534.96
  4. Step 4: Simplify right side
    5,430.45x = 12,504,326.71
  5. Step 5: Solve for x
    x = 12,504,326.71/5,430.45
  6. Step 6: Final answer
    x = 2,302.63

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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.