Home / 4,695.24-7,042.80-1,408.20

Finding the Fourth Proportional to 4,695.24, 7,042.80 and 1,408.20

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Solution

The fourth proportional to 4,695.24, 7,042.80 and 1,408.20 is: 2,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.24 : 7,042.80 = 1,408.20 : x
  2. Step 2: Convert to fraction form
    4,695.24/7,042.80 = 1,408.20/x
  3. Step 3: Cross multiply
    4,695.24x = 7,042.80 × 1,408.20
  4. Step 4: Simplify right side
    4,695.24x = 9,917,670.96
  5. Step 5: Solve for x
    x = 9,917,670.96/4,695.24
  6. Step 6: Final answer
    x = 2,112.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.