Home / 5,289.19-7,298.82-3,051.78

Finding the Fourth Proportional to 5,289.19, 7,298.82 and 3,051.78

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Solution

The fourth proportional to 5,289.19, 7,298.82 and 3,051.78 is: 4,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.19 : 7,298.82 = 3,051.78 : x
  2. Step 2: Convert to fraction form
    5,289.19/7,298.82 = 3,051.78/x
  3. Step 3: Cross multiply
    5,289.19x = 7,298.82 × 3,051.78
  4. Step 4: Simplify right side
    5,289.19x = 22,274,411.15
  5. Step 5: Solve for x
    x = 22,274,411.15/5,289.19
  6. Step 6: Final answer
    x = 4,211.31

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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.