Home / 8,886.36-13,329.76-2,312.84

Finding the Fourth Proportional to 8,886.36, 13,329.76 and 2,312.84

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Solution

The fourth proportional to 8,886.36, 13,329.76 and 2,312.84 is: 3,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.36 : 13,329.76 = 2,312.84 : x
  2. Step 2: Convert to fraction form
    8,886.36/13,329.76 = 2,312.84/x
  3. Step 3: Cross multiply
    8,886.36x = 13,329.76 × 2,312.84
  4. Step 4: Simplify right side
    8,886.36x = 30,829,602.12
  5. Step 5: Solve for x
    x = 30,829,602.12/8,886.36
  6. Step 6: Final answer
    x = 3,469.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.