Home / 6,042.79-8,339.93-3,390.45

Finding the Fourth Proportional to 6,042.79, 8,339.93 and 3,390.45

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Solution

The fourth proportional to 6,042.79, 8,339.93 and 3,390.45 is: 4,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.79 : 8,339.93 = 3,390.45 : x
  2. Step 2: Convert to fraction form
    6,042.79/8,339.93 = 3,390.45/x
  3. Step 3: Cross multiply
    6,042.79x = 8,339.93 × 3,390.45
  4. Step 4: Simplify right side
    6,042.79x = 28,276,115.67
  5. Step 5: Solve for x
    x = 28,276,115.67/6,042.79
  6. Step 6: Final answer
    x = 4,679.31

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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.