Home / 9,135.32-12,606.77-4,943.57

Finding the Fourth Proportional to 9,135.32, 12,606.77 and 4,943.57

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Solution

The fourth proportional to 9,135.32, 12,606.77 and 4,943.57 is: 6,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.32 : 12,606.77 = 4,943.57 : x
  2. Step 2: Convert to fraction form
    9,135.32/12,606.77 = 4,943.57/x
  3. Step 3: Cross multiply
    9,135.32x = 12,606.77 × 4,943.57
  4. Step 4: Simplify right side
    9,135.32x = 62,322,362.22
  5. Step 5: Solve for x
    x = 62,322,362.22/9,135.32
  6. Step 6: Final answer
    x = 6,822.14

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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.