Home / 7,838.98-10,817.75-4,302.16

Finding the Fourth Proportional to 7,838.98, 10,817.75 and 4,302.16

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Solution

The fourth proportional to 7,838.98, 10,817.75 and 4,302.16 is: 5,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.98 : 10,817.75 = 4,302.16 : x
  2. Step 2: Convert to fraction form
    7,838.98/10,817.75 = 4,302.16/x
  3. Step 3: Cross multiply
    7,838.98x = 10,817.75 × 4,302.16
  4. Step 4: Simplify right side
    7,838.98x = 46,539,735.90
  5. Step 5: Solve for x
    x = 46,539,735.90/7,838.98
  6. Step 6: Final answer
    x = 5,936.97

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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.