Home / 5,808.17-8,015.35-3,155.63

Finding the Fourth Proportional to 5,808.17, 8,015.35 and 3,155.63

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Solution

The fourth proportional to 5,808.17, 8,015.35 and 3,155.63 is: 4,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.17 : 8,015.35 = 3,155.63 : x
  2. Step 2: Convert to fraction form
    5,808.17/8,015.35 = 3,155.63/x
  3. Step 3: Cross multiply
    5,808.17x = 8,015.35 × 3,155.63
  4. Step 4: Simplify right side
    5,808.17x = 25,293,438.84
  5. Step 5: Solve for x
    x = 25,293,438.84/5,808.17
  6. Step 6: Final answer
    x = 4,354.80

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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.