Home / 6,804.20-10,205.70-1,873.40

Finding the Fourth Proportional to 6,804.20, 10,205.70 and 1,873.40

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Solution

The fourth proportional to 6,804.20, 10,205.70 and 1,873.40 is: 2,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.20 : 10,205.70 = 1,873.40 : x
  2. Step 2: Convert to fraction form
    6,804.20/10,205.70 = 1,873.40/x
  3. Step 3: Cross multiply
    6,804.20x = 10,205.70 × 1,873.40
  4. Step 4: Simplify right side
    6,804.20x = 19,119,358.38
  5. Step 5: Solve for x
    x = 19,119,358.38/6,804.20
  6. Step 6: Final answer
    x = 2,809.93

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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.