Home / 4,266.98-6,398.51-1,800.45

Finding the Fourth Proportional to 4,266.98, 6,398.51 and 1,800.45

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Solution

The fourth proportional to 4,266.98, 6,398.51 and 1,800.45 is: 2,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.98 : 6,398.51 = 1,800.45 : x
  2. Step 2: Convert to fraction form
    4,266.98/6,398.51 = 1,800.45/x
  3. Step 3: Cross multiply
    4,266.98x = 6,398.51 × 1,800.45
  4. Step 4: Simplify right side
    4,266.98x = 11,520,197.33
  5. Step 5: Solve for x
    x = 11,520,197.33/4,266.98
  6. Step 6: Final answer
    x = 2,699.85

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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.