Home / 5,783.12-8,674.40-1,887.02

Finding the Fourth Proportional to 5,783.12, 8,674.40 and 1,887.02

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Solution

The fourth proportional to 5,783.12, 8,674.40 and 1,887.02 is: 2,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.12 : 8,674.40 = 1,887.02 : x
  2. Step 2: Convert to fraction form
    5,783.12/8,674.40 = 1,887.02/x
  3. Step 3: Cross multiply
    5,783.12x = 8,674.40 × 1,887.02
  4. Step 4: Simplify right side
    5,783.12x = 16,368,766.29
  5. Step 5: Solve for x
    x = 16,368,766.29/5,783.12
  6. Step 6: Final answer
    x = 2,830.44

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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.