Home / 8,511.04-11,745.30-5,153.24

Finding the Fourth Proportional to 8,511.04, 11,745.30 and 5,153.24

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Solution

The fourth proportional to 8,511.04, 11,745.30 and 5,153.24 is: 7,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.04 : 11,745.30 = 5,153.24 : x
  2. Step 2: Convert to fraction form
    8,511.04/11,745.30 = 5,153.24/x
  3. Step 3: Cross multiply
    8,511.04x = 11,745.30 × 5,153.24
  4. Step 4: Simplify right side
    8,511.04x = 60,526,349.77
  5. Step 5: Solve for x
    x = 60,526,349.77/8,511.04
  6. Step 6: Final answer
    x = 7,111.51

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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.