Home / 8,436.56-11,643.36-5,293.76

Finding the Fourth Proportional to 8,436.56, 11,643.36 and 5,293.76

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Solution

The fourth proportional to 8,436.56, 11,643.36 and 5,293.76 is: 7,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.56 : 11,643.36 = 5,293.76 : x
  2. Step 2: Convert to fraction form
    8,436.56/11,643.36 = 5,293.76/x
  3. Step 3: Cross multiply
    8,436.56x = 11,643.36 × 5,293.76
  4. Step 4: Simplify right side
    8,436.56x = 61,637,153.43
  5. Step 5: Solve for x
    x = 61,637,153.43/8,436.56
  6. Step 6: Final answer
    x = 7,305.96

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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.