Home / 7,817.07-10,787.57-4,232.07

Finding the Fourth Proportional to 7,817.07, 10,787.57 and 4,232.07

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Solution

The fourth proportional to 7,817.07, 10,787.57 and 4,232.07 is: 5,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.07 : 10,787.57 = 4,232.07 : x
  2. Step 2: Convert to fraction form
    7,817.07/10,787.57 = 4,232.07/x
  3. Step 3: Cross multiply
    7,817.07x = 10,787.57 × 4,232.07
  4. Step 4: Simplify right side
    7,817.07x = 45,653,723.80
  5. Step 5: Solve for x
    x = 45,653,723.80/7,817.07
  6. Step 6: Final answer
    x = 5,840.26

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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.