Home / 6,316.30-8,720.54-5,651.99

Finding the Fourth Proportional to 6,316.30, 8,720.54 and 5,651.99

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Solution

The fourth proportional to 6,316.30, 8,720.54 and 5,651.99 is: 7,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.30 : 8,720.54 = 5,651.99 : x
  2. Step 2: Convert to fraction form
    6,316.30/8,720.54 = 5,651.99/x
  3. Step 3: Cross multiply
    6,316.30x = 8,720.54 × 5,651.99
  4. Step 4: Simplify right side
    6,316.30x = 49,288,467.75
  5. Step 5: Solve for x
    x = 49,288,467.75/6,316.30
  6. Step 6: Final answer
    x = 7,803.38

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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.