Home / 5,511.07-8,266.60-1,407.07

Finding the Fourth Proportional to 5,511.07, 8,266.60 and 1,407.07

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Solution

The fourth proportional to 5,511.07, 8,266.60 and 1,407.07 is: 2,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.07 : 8,266.60 = 1,407.07 : x
  2. Step 2: Convert to fraction form
    5,511.07/8,266.60 = 1,407.07/x
  3. Step 3: Cross multiply
    5,511.07x = 8,266.60 × 1,407.07
  4. Step 4: Simplify right side
    5,511.07x = 11,631,643.53
  5. Step 5: Solve for x
    x = 11,631,643.53/5,511.07
  6. Step 6: Final answer
    x = 2,110.60

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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.