Home / 8,485.32-12,726.34-4,267.45

Finding the Fourth Proportional to 8,485.32, 12,726.34 and 4,267.45

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Solution

The fourth proportional to 8,485.32, 12,726.34 and 4,267.45 is: 6,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.32 : 12,726.34 = 4,267.45 : x
  2. Step 2: Convert to fraction form
    8,485.32/12,726.34 = 4,267.45/x
  3. Step 3: Cross multiply
    8,485.32x = 12,726.34 × 4,267.45
  4. Step 4: Simplify right side
    8,485.32x = 54,309,024.87
  5. Step 5: Solve for x
    x = 54,309,024.87/8,485.32
  6. Step 6: Final answer
    x = 6,400.35

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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.