Home / 5,430.44-8,146.28-1,534.92

Finding the Fourth Proportional to 5,430.44, 8,146.28 and 1,534.92

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Solution

The fourth proportional to 5,430.44, 8,146.28 and 1,534.92 is: 2,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.44 : 8,146.28 = 1,534.92 : x
  2. Step 2: Convert to fraction form
    5,430.44/8,146.28 = 1,534.92/x
  3. Step 3: Cross multiply
    5,430.44x = 8,146.28 × 1,534.92
  4. Step 4: Simplify right side
    5,430.44x = 12,503,888.10
  5. Step 5: Solve for x
    x = 12,503,888.10/5,430.44
  6. Step 6: Final answer
    x = 2,302.56

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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.