Home / 8,914.18-12,301.41-4,935.20

Finding the Fourth Proportional to 8,914.18, 12,301.41 and 4,935.20

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Solution

The fourth proportional to 8,914.18, 12,301.41 and 4,935.20 is: 6,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.18 : 12,301.41 = 4,935.20 : x
  2. Step 2: Convert to fraction form
    8,914.18/12,301.41 = 4,935.20/x
  3. Step 3: Cross multiply
    8,914.18x = 12,301.41 × 4,935.20
  4. Step 4: Simplify right side
    8,914.18x = 60,709,918.63
  5. Step 5: Solve for x
    x = 60,709,918.63/8,914.18
  6. Step 6: Final answer
    x = 6,810.49

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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.