Home / 5,430.76-8,144.92-1,534.26

Finding the Fourth Proportional to 5,430.76, 8,144.92 and 1,534.26

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Solution

The fourth proportional to 5,430.76, 8,144.92 and 1,534.26 is: 2,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.76 : 8,144.92 = 1,534.26 : x
  2. Step 2: Convert to fraction form
    5,430.76/8,144.92 = 1,534.26/x
  3. Step 3: Cross multiply
    5,430.76x = 8,144.92 × 1,534.26
  4. Step 4: Simplify right side
    5,430.76x = 12,496,424.96
  5. Step 5: Solve for x
    x = 12,496,424.96/5,430.76
  6. Step 6: Final answer
    x = 2,301.05

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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.