Home / 8,698.40-11,999.32-5,506.28

Finding the Fourth Proportional to 8,698.40, 11,999.32 and 5,506.28

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Solution

The fourth proportional to 8,698.40, 11,999.32 and 5,506.28 is: 7,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.40 : 11,999.32 = 5,506.28 : x
  2. Step 2: Convert to fraction form
    8,698.40/11,999.32 = 5,506.28/x
  3. Step 3: Cross multiply
    8,698.40x = 11,999.32 × 5,506.28
  4. Step 4: Simplify right side
    8,698.40x = 66,071,615.73
  5. Step 5: Solve for x
    x = 66,071,615.73/8,698.40
  6. Step 6: Final answer
    x = 7,595.84

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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.