Home / 8,745.02-13,114.71-3,478.28

Finding the Fourth Proportional to 8,745.02, 13,114.71 and 3,478.28

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Solution

The fourth proportional to 8,745.02, 13,114.71 and 3,478.28 is: 5,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.02 : 13,114.71 = 3,478.28 : x
  2. Step 2: Convert to fraction form
    8,745.02/13,114.71 = 3,478.28/x
  3. Step 3: Cross multiply
    8,745.02x = 13,114.71 × 3,478.28
  4. Step 4: Simplify right side
    8,745.02x = 45,616,633.50
  5. Step 5: Solve for x
    x = 45,616,633.50/8,745.02
  6. Step 6: Final answer
    x = 5,216.30

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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.