Home / 7,918.94-10,927.82-4,382.07

Finding the Fourth Proportional to 7,918.94, 10,927.82 and 4,382.07

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Solution

The fourth proportional to 7,918.94, 10,927.82 and 4,382.07 is: 6,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.94 : 10,927.82 = 4,382.07 : x
  2. Step 2: Convert to fraction form
    7,918.94/10,927.82 = 4,382.07/x
  3. Step 3: Cross multiply
    7,918.94x = 10,927.82 × 4,382.07
  4. Step 4: Simplify right side
    7,918.94x = 47,886,450.28
  5. Step 5: Solve for x
    x = 47,886,450.28/7,918.94
  6. Step 6: Final answer
    x = 6,047.08

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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.