Home / 8,389.24-11,577.28-4,612.57

Finding the Fourth Proportional to 8,389.24, 11,577.28 and 4,612.57

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Solution

The fourth proportional to 8,389.24, 11,577.28 and 4,612.57 is: 6,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.24 : 11,577.28 = 4,612.57 : x
  2. Step 2: Convert to fraction form
    8,389.24/11,577.28 = 4,612.57/x
  3. Step 3: Cross multiply
    8,389.24x = 11,577.28 × 4,612.57
  4. Step 4: Simplify right side
    8,389.24x = 53,400,944.99
  5. Step 5: Solve for x
    x = 53,400,944.99/8,389.24
  6. Step 6: Final answer
    x = 6,365.41

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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.