Home / 5,811.40-8,715.35-1,651.74

Finding the Fourth Proportional to 5,811.40, 8,715.35 and 1,651.74

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Solution

The fourth proportional to 5,811.40, 8,715.35 and 1,651.74 is: 2,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.40 : 8,715.35 = 1,651.74 : x
  2. Step 2: Convert to fraction form
    5,811.40/8,715.35 = 1,651.74/x
  3. Step 3: Cross multiply
    5,811.40x = 8,715.35 × 1,651.74
  4. Step 4: Simplify right side
    5,811.40x = 14,395,503.39
  5. Step 5: Solve for x
    x = 14,395,503.39/5,811.40
  6. Step 6: Final answer
    x = 2,477.12

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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.