Home / 8,964.74-12,370.77-4,985.62

Finding the Fourth Proportional to 8,964.74, 12,370.77 and 4,985.62

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Solution

The fourth proportional to 8,964.74, 12,370.77 and 4,985.62 is: 6,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.74 : 12,370.77 = 4,985.62 : x
  2. Step 2: Convert to fraction form
    8,964.74/12,370.77 = 4,985.62/x
  3. Step 3: Cross multiply
    8,964.74x = 12,370.77 × 4,985.62
  4. Step 4: Simplify right side
    8,964.74x = 61,675,958.33
  5. Step 5: Solve for x
    x = 61,675,958.33/8,964.74
  6. Step 6: Final answer
    x = 6,879.84

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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.