Home / 5,605.98-8,403.36-2,686.38

Finding the Fourth Proportional to 5,605.98, 8,403.36 and 2,686.38

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Solution

The fourth proportional to 5,605.98, 8,403.36 and 2,686.38 is: 4,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.98 : 8,403.36 = 2,686.38 : x
  2. Step 2: Convert to fraction form
    5,605.98/8,403.36 = 2,686.38/x
  3. Step 3: Cross multiply
    5,605.98x = 8,403.36 × 2,686.38
  4. Step 4: Simplify right side
    5,605.98x = 22,574,618.24
  5. Step 5: Solve for x
    x = 22,574,618.24/5,605.98
  6. Step 6: Final answer
    x = 4,026.88

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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.