Home / 6,860.30-9,471.38-4,438.80

Finding the Fourth Proportional to 6,860.30, 9,471.38 and 4,438.80

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Solution

The fourth proportional to 6,860.30, 9,471.38 and 4,438.80 is: 6,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.30 : 9,471.38 = 4,438.80 : x
  2. Step 2: Convert to fraction form
    6,860.30/9,471.38 = 4,438.80/x
  3. Step 3: Cross multiply
    6,860.30x = 9,471.38 × 4,438.80
  4. Step 4: Simplify right side
    6,860.30x = 42,041,539.35
  5. Step 5: Solve for x
    x = 42,041,539.35/6,860.30
  6. Step 6: Final answer
    x = 6,128.24

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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.