Home / 9,786.02-13,511.21-5,808.41

Finding the Fourth Proportional to 9,786.02, 13,511.21 and 5,808.41

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Solution

The fourth proportional to 9,786.02, 13,511.21 and 5,808.41 is: 8,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.02 : 13,511.21 = 5,808.41 : x
  2. Step 2: Convert to fraction form
    9,786.02/13,511.21 = 5,808.41/x
  3. Step 3: Cross multiply
    9,786.02x = 13,511.21 × 5,808.41
  4. Step 4: Simplify right side
    9,786.02x = 78,478,601.35
  5. Step 5: Solve for x
    x = 78,478,601.35/9,786.02
  6. Step 6: Final answer
    x = 8,019.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.