Home / 5,430.23-7,491.21-3,192.06

Finding the Fourth Proportional to 5,430.23, 7,491.21 and 3,192.06

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Solution

The fourth proportional to 5,430.23, 7,491.21 and 3,192.06 is: 4,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.23 : 7,491.21 = 3,192.06 : x
  2. Step 2: Convert to fraction form
    5,430.23/7,491.21 = 3,192.06/x
  3. Step 3: Cross multiply
    5,430.23x = 7,491.21 × 3,192.06
  4. Step 4: Simplify right side
    5,430.23x = 23,912,391.79
  5. Step 5: Solve for x
    x = 23,912,391.79/5,430.23
  6. Step 6: Final answer
    x = 4,403.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.