Home / 8,964.46-12,370.41-4,985.44

Finding the Fourth Proportional to 8,964.46, 12,370.41 and 4,985.44

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Solution

The fourth proportional to 8,964.46, 12,370.41 and 4,985.44 is: 6,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.46 : 12,370.41 = 4,985.44 : x
  2. Step 2: Convert to fraction form
    8,964.46/12,370.41 = 4,985.44/x
  3. Step 3: Cross multiply
    8,964.46x = 12,370.41 × 4,985.44
  4. Step 4: Simplify right side
    8,964.46x = 61,671,936.83
  5. Step 5: Solve for x
    x = 61,671,936.83/8,964.46
  6. Step 6: Final answer
    x = 6,879.60

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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.