Home / 8,460.20-11,677.20-4,923.20

Finding the Fourth Proportional to 8,460.20, 11,677.20 and 4,923.20

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Solution

The fourth proportional to 8,460.20, 11,677.20 and 4,923.20 is: 6,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.20 : 11,677.20 = 4,923.20 : x
  2. Step 2: Convert to fraction form
    8,460.20/11,677.20 = 4,923.20/x
  3. Step 3: Cross multiply
    8,460.20x = 11,677.20 × 4,923.20
  4. Step 4: Simplify right side
    8,460.20x = 57,489,191.04
  5. Step 5: Solve for x
    x = 57,489,191.04/8,460.20
  6. Step 6: Final answer
    x = 6,795.25

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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.