Home / 5,623.56-8,430.48-3,432.24

Finding the Fourth Proportional to 5,623.56, 8,430.48 and 3,432.24

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Solution

The fourth proportional to 5,623.56, 8,430.48 and 3,432.24 is: 5,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.56 : 8,430.48 = 3,432.24 : x
  2. Step 2: Convert to fraction form
    5,623.56/8,430.48 = 3,432.24/x
  3. Step 3: Cross multiply
    5,623.56x = 8,430.48 × 3,432.24
  4. Step 4: Simplify right side
    5,623.56x = 28,935,430.68
  5. Step 5: Solve for x
    x = 28,935,430.68/5,623.56
  6. Step 6: Final answer
    x = 5,145.39

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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.