Home / 8,045.30-11,107.71-6,556.78

Finding the Fourth Proportional to 8,045.30, 11,107.71 and 6,556.78

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Solution

The fourth proportional to 8,045.30, 11,107.71 and 6,556.78 is: 9,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.30 : 11,107.71 = 6,556.78 : x
  2. Step 2: Convert to fraction form
    8,045.30/11,107.71 = 6,556.78/x
  3. Step 3: Cross multiply
    8,045.30x = 11,107.71 × 6,556.78
  4. Step 4: Simplify right side
    8,045.30x = 72,830,810.77
  5. Step 5: Solve for x
    x = 72,830,810.77/8,045.30
  6. Step 6: Final answer
    x = 9,052.59

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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.