Home / 4,294.50-6,444.18-1,986

Finding the Fourth Proportional to 4,294.50, 6,444.18 and 1,986

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Solution

The fourth proportional to 4,294.50, 6,444.18 and 1,986 is: 2,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.50 : 6,444.18 = 1,986 : x
  2. Step 2: Convert to fraction form
    4,294.50/6,444.18 = 1,986/x
  3. Step 3: Cross multiply
    4,294.50x = 6,444.18 × 1,986
  4. Step 4: Simplify right side
    4,294.50x = 12,798,141.48
  5. Step 5: Solve for x
    x = 12,798,141.48/4,294.50
  6. Step 6: Final answer
    x = 2,980.12

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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.