Home / 5,810.35-8,018.32-3,157.81

Finding the Fourth Proportional to 5,810.35, 8,018.32 and 3,157.81

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Solution

The fourth proportional to 5,810.35, 8,018.32 and 3,157.81 is: 4,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.35 : 8,018.32 = 3,157.81 : x
  2. Step 2: Convert to fraction form
    5,810.35/8,018.32 = 3,157.81/x
  3. Step 3: Cross multiply
    5,810.35x = 8,018.32 × 3,157.81
  4. Step 4: Simplify right side
    5,810.35x = 25,320,331.08
  5. Step 5: Solve for x
    x = 25,320,331.08/5,810.35
  6. Step 6: Final answer
    x = 4,357.80

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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.