Home / 7,881.36-10,880.63-5,754.75

Finding the Fourth Proportional to 7,881.36, 10,880.63 and 5,754.75

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Solution

The fourth proportional to 7,881.36, 10,880.63 and 5,754.75 is: 7,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.36 : 10,880.63 = 5,754.75 : x
  2. Step 2: Convert to fraction form
    7,881.36/10,880.63 = 5,754.75/x
  3. Step 3: Cross multiply
    7,881.36x = 10,880.63 × 5,754.75
  4. Step 4: Simplify right side
    7,881.36x = 62,615,305.49
  5. Step 5: Solve for x
    x = 62,615,305.49/7,881.36
  6. Step 6: Final answer
    x = 7,944.73

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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.