Home / 6,511.35-9,766.95-1,580.99

Finding the Fourth Proportional to 6,511.35, 9,766.95 and 1,580.99

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Solution

The fourth proportional to 6,511.35, 9,766.95 and 1,580.99 is: 2,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.35 : 9,766.95 = 1,580.99 : x
  2. Step 2: Convert to fraction form
    6,511.35/9,766.95 = 1,580.99/x
  3. Step 3: Cross multiply
    6,511.35x = 9,766.95 × 1,580.99
  4. Step 4: Simplify right side
    6,511.35x = 15,441,450.36
  5. Step 5: Solve for x
    x = 15,441,450.36/6,511.35
  6. Step 6: Final answer
    x = 2,371.47

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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.