Home / 8,686.24-11,987.04-4,707.34

Finding the Fourth Proportional to 8,686.24, 11,987.04 and 4,707.34

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Solution

The fourth proportional to 8,686.24, 11,987.04 and 4,707.34 is: 6,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.24 : 11,987.04 = 4,707.34 : x
  2. Step 2: Convert to fraction form
    8,686.24/11,987.04 = 4,707.34/x
  3. Step 3: Cross multiply
    8,686.24x = 11,987.04 × 4,707.34
  4. Step 4: Simplify right side
    8,686.24x = 56,427,072.87
  5. Step 5: Solve for x
    x = 56,427,072.87/8,686.24
  6. Step 6: Final answer
    x = 6,496.14

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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.