Home / 7,903.29-11,855.54-2,356.21

Finding the Fourth Proportional to 7,903.29, 11,855.54 and 2,356.21

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Solution

The fourth proportional to 7,903.29, 11,855.54 and 2,356.21 is: 3,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.29 : 11,855.54 = 2,356.21 : x
  2. Step 2: Convert to fraction form
    7,903.29/11,855.54 = 2,356.21/x
  3. Step 3: Cross multiply
    7,903.29x = 11,855.54 × 2,356.21
  4. Step 4: Simplify right side
    7,903.29x = 27,934,141.90
  5. Step 5: Solve for x
    x = 27,934,141.90/7,903.29
  6. Step 6: Final answer
    x = 3,534.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.