Home / 8,745.24-12,070.62-5,911.32

Finding the Fourth Proportional to 8,745.24, 12,070.62 and 5,911.32

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Solution

The fourth proportional to 8,745.24, 12,070.62 and 5,911.32 is: 8,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.24 : 12,070.62 = 5,911.32 : x
  2. Step 2: Convert to fraction form
    8,745.24/12,070.62 = 5,911.32/x
  3. Step 3: Cross multiply
    8,745.24x = 12,070.62 × 5,911.32
  4. Step 4: Simplify right side
    8,745.24x = 71,353,297.42
  5. Step 5: Solve for x
    x = 71,353,297.42/8,745.24
  6. Step 6: Final answer
    x = 8,159.10

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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.