Home / 8,189.41-11,289.94-6,925.40

Finding the Fourth Proportional to 8,189.41, 11,289.94 and 6,925.40

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Solution

The fourth proportional to 8,189.41, 11,289.94 and 6,925.40 is: 9,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.41 : 11,289.94 = 6,925.40 : x
  2. Step 2: Convert to fraction form
    8,189.41/11,289.94 = 6,925.40/x
  3. Step 3: Cross multiply
    8,189.41x = 11,289.94 × 6,925.40
  4. Step 4: Simplify right side
    8,189.41x = 78,187,350.48
  5. Step 5: Solve for x
    x = 78,187,350.48/8,189.41
  6. Step 6: Final answer
    x = 9,547.37

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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.