Home / 8,740.36-13,159.83-7,707.04

Finding the Fourth Proportional to 8,740.36, 13,159.83 and 7,707.04

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Solution

The fourth proportional to 8,740.36, 13,159.83 and 7,707.04 is: 11,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.36 : 13,159.83 = 7,707.04 : x
  2. Step 2: Convert to fraction form
    8,740.36/13,159.83 = 7,707.04/x
  3. Step 3: Cross multiply
    8,740.36x = 13,159.83 × 7,707.04
  4. Step 4: Simplify right side
    8,740.36x = 101,423,336.20
  5. Step 5: Solve for x
    x = 101,423,336.20/8,740.36
  6. Step 6: Final answer
    x = 11,604.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.