Home / 5,808.65-8,015.91-3,156.06

Finding the Fourth Proportional to 5,808.65, 8,015.91 and 3,156.06

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Solution

The fourth proportional to 5,808.65, 8,015.91 and 3,156.06 is: 4,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.65 : 8,015.91 = 3,156.06 : x
  2. Step 2: Convert to fraction form
    5,808.65/8,015.91 = 3,156.06/x
  3. Step 3: Cross multiply
    5,808.65x = 8,015.91 × 3,156.06
  4. Step 4: Simplify right side
    5,808.65x = 25,298,728.89
  5. Step 5: Solve for x
    x = 25,298,728.89/5,808.65
  6. Step 6: Final answer
    x = 4,355.36

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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.