Home / 7,904.80-11,846.40-5,264.80

Finding the Fourth Proportional to 7,904.80, 11,846.40 and 5,264.80

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Solution

The fourth proportional to 7,904.80, 11,846.40 and 5,264.80 is: 7,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.80 : 11,846.40 = 5,264.80 : x
  2. Step 2: Convert to fraction form
    7,904.80/11,846.40 = 5,264.80/x
  3. Step 3: Cross multiply
    7,904.80x = 11,846.40 × 5,264.80
  4. Step 4: Simplify right side
    7,904.80x = 62,368,926.72
  5. Step 5: Solve for x
    x = 62,368,926.72/7,904.80
  6. Step 6: Final answer
    x = 7,890.01

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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.