Home / 8,686.93-11,987.96-4,708.04

Finding the Fourth Proportional to 8,686.93, 11,987.96 and 4,708.04

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Solution

The fourth proportional to 8,686.93, 11,987.96 and 4,708.04 is: 6,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.93 : 11,987.96 = 4,708.04 : x
  2. Step 2: Convert to fraction form
    8,686.93/11,987.96 = 4,708.04/x
  3. Step 3: Cross multiply
    8,686.93x = 11,987.96 × 4,708.04
  4. Step 4: Simplify right side
    8,686.93x = 56,439,796.81
  5. Step 5: Solve for x
    x = 56,439,796.81/8,686.93
  6. Step 6: Final answer
    x = 6,497.09

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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.