Home / 8,886.21-13,329.41-2,646.85

Finding the Fourth Proportional to 8,886.21, 13,329.41 and 2,646.85

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Solution

The fourth proportional to 8,886.21, 13,329.41 and 2,646.85 is: 3,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.21 : 13,329.41 = 2,646.85 : x
  2. Step 2: Convert to fraction form
    8,886.21/13,329.41 = 2,646.85/x
  3. Step 3: Cross multiply
    8,886.21x = 13,329.41 × 2,646.85
  4. Step 4: Simplify right side
    8,886.21x = 35,280,948.86
  5. Step 5: Solve for x
    x = 35,280,948.86/8,886.21
  6. Step 6: Final answer
    x = 3,970.30

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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.