Home / 8,485.19-11,709.59-4,708.43

Finding the Fourth Proportional to 8,485.19, 11,709.59 and 4,708.43

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Solution

The fourth proportional to 8,485.19, 11,709.59 and 4,708.43 is: 6,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.19 : 11,709.59 = 4,708.43 : x
  2. Step 2: Convert to fraction form
    8,485.19/11,709.59 = 4,708.43/x
  3. Step 3: Cross multiply
    8,485.19x = 11,709.59 × 4,708.43
  4. Step 4: Simplify right side
    8,485.19x = 55,133,784.84
  5. Step 5: Solve for x
    x = 55,133,784.84/8,485.19
  6. Step 6: Final answer
    x = 6,497.65

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Half scale
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Double scale
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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.