Home / 5,813.12-8,707.99-2,688.74

Finding the Fourth Proportional to 5,813.12, 8,707.99 and 2,688.74

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Solution

The fourth proportional to 5,813.12, 8,707.99 and 2,688.74 is: 4,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.12 : 8,707.99 = 2,688.74 : x
  2. Step 2: Convert to fraction form
    5,813.12/8,707.99 = 2,688.74/x
  3. Step 3: Cross multiply
    5,813.12x = 8,707.99 × 2,688.74
  4. Step 4: Simplify right side
    5,813.12x = 23,413,521.03
  5. Step 5: Solve for x
    x = 23,413,521.03/5,813.12
  6. Step 6: Final answer
    x = 4,027.70

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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.