Home / 7,887.60-11,827.26-2,340.18

Finding the Fourth Proportional to 7,887.60, 11,827.26 and 2,340.18

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Solution

The fourth proportional to 7,887.60, 11,827.26 and 2,340.18 is: 3,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.60 : 11,827.26 = 2,340.18 : x
  2. Step 2: Convert to fraction form
    7,887.60/11,827.26 = 2,340.18/x
  3. Step 3: Cross multiply
    7,887.60x = 11,827.26 × 2,340.18
  4. Step 4: Simplify right side
    7,887.60x = 27,677,917.31
  5. Step 5: Solve for x
    x = 27,677,917.31/7,887.60
  6. Step 6: Final answer
    x = 3,509.04

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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.