Home / 7,378.70-11,057.68-4,038.36

Finding the Fourth Proportional to 7,378.70, 11,057.68 and 4,038.36

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Solution

The fourth proportional to 7,378.70, 11,057.68 and 4,038.36 is: 6,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.70 : 11,057.68 = 4,038.36 : x
  2. Step 2: Convert to fraction form
    7,378.70/11,057.68 = 4,038.36/x
  3. Step 3: Cross multiply
    7,378.70x = 11,057.68 × 4,038.36
  4. Step 4: Simplify right side
    7,378.70x = 44,654,856.19
  5. Step 5: Solve for x
    x = 44,654,856.19/7,378.70
  6. Step 6: Final answer
    x = 6,051.86

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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.