Home / 8,858.51-12,223.69-5,029.88

Finding the Fourth Proportional to 8,858.51, 12,223.69 and 5,029.88

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Solution

The fourth proportional to 8,858.51, 12,223.69 and 5,029.88 is: 6,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.51 : 12,223.69 = 5,029.88 : x
  2. Step 2: Convert to fraction form
    8,858.51/12,223.69 = 5,029.88/x
  3. Step 3: Cross multiply
    8,858.51x = 12,223.69 × 5,029.88
  4. Step 4: Simplify right side
    8,858.51x = 61,483,711.84
  5. Step 5: Solve for x
    x = 61,483,711.84/8,858.51
  6. Step 6: Final answer
    x = 6,940.64

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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.