Home / 5,766.40-8,650.68-1,870.84

Finding the Fourth Proportional to 5,766.40, 8,650.68 and 1,870.84

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Solution

The fourth proportional to 5,766.40, 8,650.68 and 1,870.84 is: 2,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.40 : 8,650.68 = 1,870.84 : x
  2. Step 2: Convert to fraction form
    5,766.40/8,650.68 = 1,870.84/x
  3. Step 3: Cross multiply
    5,766.40x = 8,650.68 × 1,870.84
  4. Step 4: Simplify right side
    5,766.40x = 16,184,038.17
  5. Step 5: Solve for x
    x = 16,184,038.17/5,766.40
  6. Step 6: Final answer
    x = 2,806.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.