Home / 8,746.48-13,108.79-6,890.27

Finding the Fourth Proportional to 8,746.48, 13,108.79 and 6,890.27

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Solution

The fourth proportional to 8,746.48, 13,108.79 and 6,890.27 is: 10,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.48 : 13,108.79 = 6,890.27 : x
  2. Step 2: Convert to fraction form
    8,746.48/13,108.79 = 6,890.27/x
  3. Step 3: Cross multiply
    8,746.48x = 13,108.79 × 6,890.27
  4. Step 4: Simplify right side
    8,746.48x = 90,323,015.40
  5. Step 5: Solve for x
    x = 90,323,015.40/8,746.48
  6. Step 6: Final answer
    x = 10,326.78

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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.