Home / 8,429.45-11,629.04-5,070.29

Finding the Fourth Proportional to 8,429.45, 11,629.04 and 5,070.29

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Solution

The fourth proportional to 8,429.45, 11,629.04 and 5,070.29 is: 6,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.45 : 11,629.04 = 5,070.29 : x
  2. Step 2: Convert to fraction form
    8,429.45/11,629.04 = 5,070.29/x
  3. Step 3: Cross multiply
    8,429.45x = 11,629.04 × 5,070.29
  4. Step 4: Simplify right side
    8,429.45x = 58,962,521.72
  5. Step 5: Solve for x
    x = 58,962,521.72/8,429.45
  6. Step 6: Final answer
    x = 6,994.83

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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.