Home / 7,914.49-10,918.93-5,081.11

Finding the Fourth Proportional to 7,914.49, 10,918.93 and 5,081.11

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Solution

The fourth proportional to 7,914.49, 10,918.93 and 5,081.11 is: 7,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.49 : 10,918.93 = 5,081.11 : x
  2. Step 2: Convert to fraction form
    7,914.49/10,918.93 = 5,081.11/x
  3. Step 3: Cross multiply
    7,914.49x = 10,918.93 × 5,081.11
  4. Step 4: Simplify right side
    7,914.49x = 55,480,284.41
  5. Step 5: Solve for x
    x = 55,480,284.41/7,914.49
  6. Step 6: Final answer
    x = 7,009.96

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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.