Home / 5,785.09-8,678.08-1,625.43

Finding the Fourth Proportional to 5,785.09, 8,678.08 and 1,625.43

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Solution

The fourth proportional to 5,785.09, 8,678.08 and 1,625.43 is: 2,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.09 : 8,678.08 = 1,625.43 : x
  2. Step 2: Convert to fraction form
    5,785.09/8,678.08 = 1,625.43/x
  3. Step 3: Cross multiply
    5,785.09x = 8,678.08 × 1,625.43
  4. Step 4: Simplify right side
    5,785.09x = 14,105,646.15
  5. Step 5: Solve for x
    x = 14,105,646.15/5,785.09
  6. Step 6: Final answer
    x = 2,438.28

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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.