Home / 8,686.25-11,996.93-5,886.89

Finding the Fourth Proportional to 8,686.25, 11,996.93 and 5,886.89

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Solution

The fourth proportional to 8,686.25, 11,996.93 and 5,886.89 is: 8,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.25 : 11,996.93 = 5,886.89 : x
  2. Step 2: Convert to fraction form
    8,686.25/11,996.93 = 5,886.89/x
  3. Step 3: Cross multiply
    8,686.25x = 11,996.93 × 5,886.89
  4. Step 4: Simplify right side
    8,686.25x = 70,624,577.81
  5. Step 5: Solve for x
    x = 70,624,577.81/8,686.25
  6. Step 6: Final answer
    x = 8,130.62

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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.