Home / 6,280.24-8,666.96-3,486.28

Finding the Fourth Proportional to 6,280.24, 8,666.96 and 3,486.28

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Solution

The fourth proportional to 6,280.24, 8,666.96 and 3,486.28 is: 4,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.24 : 8,666.96 = 3,486.28 : x
  2. Step 2: Convert to fraction form
    6,280.24/8,666.96 = 3,486.28/x
  3. Step 3: Cross multiply
    6,280.24x = 8,666.96 × 3,486.28
  4. Step 4: Simplify right side
    6,280.24x = 30,215,449.31
  5. Step 5: Solve for x
    x = 30,215,449.31/6,280.24
  6. Step 6: Final answer
    x = 4,811.19

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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.