Home / 7,800.66-11,703.06-2,253.92

Finding the Fourth Proportional to 7,800.66, 11,703.06 and 2,253.92

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Solution

The fourth proportional to 7,800.66, 11,703.06 and 2,253.92 is: 3,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.66 : 11,703.06 = 2,253.92 : x
  2. Step 2: Convert to fraction form
    7,800.66/11,703.06 = 2,253.92/x
  3. Step 3: Cross multiply
    7,800.66x = 11,703.06 × 2,253.92
  4. Step 4: Simplify right side
    7,800.66x = 26,377,702.48
  5. Step 5: Solve for x
    x = 26,377,702.48/7,800.66
  6. Step 6: Final answer
    x = 3,381.47

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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.