Home / 5,782.12-8,672.91-1,886.02

Finding the Fourth Proportional to 5,782.12, 8,672.91 and 1,886.02

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Solution

The fourth proportional to 5,782.12, 8,672.91 and 1,886.02 is: 2,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.12 : 8,672.91 = 1,886.02 : x
  2. Step 2: Convert to fraction form
    5,782.12/8,672.91 = 1,886.02/x
  3. Step 3: Cross multiply
    5,782.12x = 8,672.91 × 1,886.02
  4. Step 4: Simplify right side
    5,782.12x = 16,357,281.72
  5. Step 5: Solve for x
    x = 16,357,281.72/5,782.12
  6. Step 6: Final answer
    x = 2,828.94

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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.