Home / 8,887.23-13,328.28-2,646.99

Finding the Fourth Proportional to 8,887.23, 13,328.28 and 2,646.99

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Solution

The fourth proportional to 8,887.23, 13,328.28 and 2,646.99 is: 3,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.23 : 13,328.28 = 2,646.99 : x
  2. Step 2: Convert to fraction form
    8,887.23/13,328.28 = 2,646.99/x
  3. Step 3: Cross multiply
    8,887.23x = 13,328.28 × 2,646.99
  4. Step 4: Simplify right side
    8,887.23x = 35,279,823.88
  5. Step 5: Solve for x
    x = 35,279,823.88/8,887.23
  6. Step 6: Final answer
    x = 3,969.72

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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.