Home / 5,636.23-7,777.86-3,118.29

Finding the Fourth Proportional to 5,636.23, 7,777.86 and 3,118.29

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Solution

The fourth proportional to 5,636.23, 7,777.86 and 3,118.29 is: 4,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.23 : 7,777.86 = 3,118.29 : x
  2. Step 2: Convert to fraction form
    5,636.23/7,777.86 = 3,118.29/x
  3. Step 3: Cross multiply
    5,636.23x = 7,777.86 × 3,118.29
  4. Step 4: Simplify right side
    5,636.23x = 24,253,623.06
  5. Step 5: Solve for x
    x = 24,253,623.06/5,636.23
  6. Step 6: Final answer
    x = 4,303.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.