Home / 8,436.83-11,643.35-4,659.80

Finding the Fourth Proportional to 8,436.83, 11,643.35 and 4,659.80

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Solution

The fourth proportional to 8,436.83, 11,643.35 and 4,659.80 is: 6,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.83 : 11,643.35 = 4,659.80 : x
  2. Step 2: Convert to fraction form
    8,436.83/11,643.35 = 4,659.80/x
  3. Step 3: Cross multiply
    8,436.83x = 11,643.35 × 4,659.80
  4. Step 4: Simplify right side
    8,436.83x = 54,255,600.81
  5. Step 5: Solve for x
    x = 54,255,600.81/8,436.83
  6. Step 6: Final answer
    x = 6,430.81

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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.