Home / 6,280.99-8,666.62-4,042.35

Finding the Fourth Proportional to 6,280.99, 8,666.62 and 4,042.35

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Solution

The fourth proportional to 6,280.99, 8,666.62 and 4,042.35 is: 5,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.99 : 8,666.62 = 4,042.35 : x
  2. Step 2: Convert to fraction form
    6,280.99/8,666.62 = 4,042.35/x
  3. Step 3: Cross multiply
    6,280.99x = 8,666.62 × 4,042.35
  4. Step 4: Simplify right side
    6,280.99x = 35,033,501.25
  5. Step 5: Solve for x
    x = 35,033,501.25/6,280.99
  6. Step 6: Final answer
    x = 5,577.71

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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.