Home / 8,886.41-13,328.55-2,646.37

Finding the Fourth Proportional to 8,886.41, 13,328.55 and 2,646.37

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Solution

The fourth proportional to 8,886.41, 13,328.55 and 2,646.37 is: 3,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.41 : 13,328.55 = 2,646.37 : x
  2. Step 2: Convert to fraction form
    8,886.41/13,328.55 = 2,646.37/x
  3. Step 3: Cross multiply
    8,886.41x = 13,328.55 × 2,646.37
  4. Step 4: Simplify right side
    8,886.41x = 35,272,291.52
  5. Step 5: Solve for x
    x = 35,272,291.52/8,886.41
  6. Step 6: Final answer
    x = 3,969.24

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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.