Home / 7,914.08-10,921.73-4,329.28

Finding the Fourth Proportional to 7,914.08, 10,921.73 and 4,329.28

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Solution

The fourth proportional to 7,914.08, 10,921.73 and 4,329.28 is: 5,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.08 : 10,921.73 = 4,329.28 : x
  2. Step 2: Convert to fraction form
    7,914.08/10,921.73 = 4,329.28/x
  3. Step 3: Cross multiply
    7,914.08x = 10,921.73 × 4,329.28
  4. Step 4: Simplify right side
    7,914.08x = 47,283,219.26
  5. Step 5: Solve for x
    x = 47,283,219.26/7,914.08
  6. Step 6: Final answer
    x = 5,974.57

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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.