Home / 8,623.10-12,935.66-3,077.23

Finding the Fourth Proportional to 8,623.10, 12,935.66 and 3,077.23

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Solution

The fourth proportional to 8,623.10, 12,935.66 and 3,077.23 is: 4,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.10 : 12,935.66 = 3,077.23 : x
  2. Step 2: Convert to fraction form
    8,623.10/12,935.66 = 3,077.23/x
  3. Step 3: Cross multiply
    8,623.10x = 12,935.66 × 3,077.23
  4. Step 4: Simplify right side
    8,623.10x = 39,806,001.02
  5. Step 5: Solve for x
    x = 39,806,001.02/8,623.10
  6. Step 6: Final answer
    x = 4,616.21

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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.