Home / 6,279.49-8,663.93-4,042.67

Finding the Fourth Proportional to 6,279.49, 8,663.93 and 4,042.67

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Solution

The fourth proportional to 6,279.49, 8,663.93 and 4,042.67 is: 5,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.49 : 8,663.93 = 4,042.67 : x
  2. Step 2: Convert to fraction form
    6,279.49/8,663.93 = 4,042.67/x
  3. Step 3: Cross multiply
    6,279.49x = 8,663.93 × 4,042.67
  4. Step 4: Simplify right side
    6,279.49x = 35,025,363.35
  5. Step 5: Solve for x
    x = 35,025,363.35/6,279.49
  6. Step 6: Final answer
    x = 5,577.74

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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.