Home / 8,484.85-11,709.09-4,708.63

Finding the Fourth Proportional to 8,484.85, 11,709.09 and 4,708.63

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Solution

The fourth proportional to 8,484.85, 11,709.09 and 4,708.63 is: 6,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.85 : 11,709.09 = 4,708.63 : x
  2. Step 2: Convert to fraction form
    8,484.85/11,709.09 = 4,708.63/x
  3. Step 3: Cross multiply
    8,484.85x = 11,709.09 × 4,708.63
  4. Step 4: Simplify right side
    8,484.85x = 55,133,772.45
  5. Step 5: Solve for x
    x = 55,133,772.45/8,484.85
  6. Step 6: Final answer
    x = 6,497.91

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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.