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Finding the Fourth Proportional to 5,392.92, 8,085.99 and 2,430.75

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Solution

The fourth proportional to 5,392.92, 8,085.99 and 2,430.75 is: 3,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.92 : 8,085.99 = 2,430.75 : x
  2. Step 2: Convert to fraction form
    5,392.92/8,085.99 = 2,430.75/x
  3. Step 3: Cross multiply
    5,392.92x = 8,085.99 × 2,430.75
  4. Step 4: Simplify right side
    5,392.92x = 19,655,020.19
  5. Step 5: Solve for x
    x = 19,655,020.19/5,392.92
  6. Step 6: Final answer
    x = 3,644.60

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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.