Home / 6,980.85-9,623.21-4,618.89

Finding the Fourth Proportional to 6,980.85, 9,623.21 and 4,618.89

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Solution

The fourth proportional to 6,980.85, 9,623.21 and 4,618.89 is: 6,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.85 : 9,623.21 = 4,618.89 : x
  2. Step 2: Convert to fraction form
    6,980.85/9,623.21 = 4,618.89/x
  3. Step 3: Cross multiply
    6,980.85x = 9,623.21 × 4,618.89
  4. Step 4: Simplify right side
    6,980.85x = 44,448,525.34
  5. Step 5: Solve for x
    x = 44,448,525.34/6,980.85
  6. Step 6: Final answer
    x = 6,367.21

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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.