Home / 8,436.11-11,638.13-5,077.01

Finding the Fourth Proportional to 8,436.11, 11,638.13 and 5,077.01

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Solution

The fourth proportional to 8,436.11, 11,638.13 and 5,077.01 is: 7,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.11 : 11,638.13 = 5,077.01 : x
  2. Step 2: Convert to fraction form
    8,436.11/11,638.13 = 5,077.01/x
  3. Step 3: Cross multiply
    8,436.11x = 11,638.13 × 5,077.01
  4. Step 4: Simplify right side
    8,436.11x = 59,086,818.82
  5. Step 5: Solve for x
    x = 59,086,818.82/8,436.11
  6. Step 6: Final answer
    x = 7,004.04

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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.