Home / 7,908.17-10,918.35-5,076.75

Finding the Fourth Proportional to 7,908.17, 10,918.35 and 5,076.75

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Solution

The fourth proportional to 7,908.17, 10,918.35 and 5,076.75 is: 7,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.17 : 10,918.35 = 5,076.75 : x
  2. Step 2: Convert to fraction form
    7,908.17/10,918.35 = 5,076.75/x
  3. Step 3: Cross multiply
    7,908.17x = 10,918.35 × 5,076.75
  4. Step 4: Simplify right side
    7,908.17x = 55,429,733.36
  5. Step 5: Solve for x
    x = 55,429,733.36/7,908.17
  6. Step 6: Final answer
    x = 7,009.18

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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.