Home / 9,054.43-12,495.92-5,278.81

Finding the Fourth Proportional to 9,054.43, 12,495.92 and 5,278.81

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Solution

The fourth proportional to 9,054.43, 12,495.92 and 5,278.81 is: 7,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.43 : 12,495.92 = 5,278.81 : x
  2. Step 2: Convert to fraction form
    9,054.43/12,495.92 = 5,278.81/x
  3. Step 3: Cross multiply
    9,054.43x = 12,495.92 × 5,278.81
  4. Step 4: Simplify right side
    9,054.43x = 65,963,587.46
  5. Step 5: Solve for x
    x = 65,963,587.46/9,054.43
  6. Step 6: Final answer
    x = 7,285.23

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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.