Home / 6,316.30-8,716.30-3,521.80

Finding the Fourth Proportional to 6,316.30, 8,716.30 and 3,521.80

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Solution

The fourth proportional to 6,316.30, 8,716.30 and 3,521.80 is: 4,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.30 : 8,716.30 = 3,521.80 : x
  2. Step 2: Convert to fraction form
    6,316.30/8,716.30 = 3,521.80/x
  3. Step 3: Cross multiply
    6,316.30x = 8,716.30 × 3,521.80
  4. Step 4: Simplify right side
    6,316.30x = 30,697,065.34
  5. Step 5: Solve for x
    x = 30,697,065.34/6,316.30
  6. Step 6: Final answer
    x = 4,859.98

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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.