Home / 7,246.20-10,853.10-3,779.40

Finding the Fourth Proportional to 7,246.20, 10,853.10 and 3,779.40

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Solution

The fourth proportional to 7,246.20, 10,853.10 and 3,779.40 is: 5,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.20 : 10,853.10 = 3,779.40 : x
  2. Step 2: Convert to fraction form
    7,246.20/10,853.10 = 3,779.40/x
  3. Step 3: Cross multiply
    7,246.20x = 10,853.10 × 3,779.40
  4. Step 4: Simplify right side
    7,246.20x = 41,018,206.14
  5. Step 5: Solve for x
    x = 41,018,206.14/7,246.20
  6. Step 6: Final answer
    x = 5,660.65

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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.