Home / 7,039.70-10,556.31-2,654.36

Finding the Fourth Proportional to 7,039.70, 10,556.31 and 2,654.36

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Solution

The fourth proportional to 7,039.70, 10,556.31 and 2,654.36 is: 3,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.70 : 10,556.31 = 2,654.36 : x
  2. Step 2: Convert to fraction form
    7,039.70/10,556.31 = 2,654.36/x
  3. Step 3: Cross multiply
    7,039.70x = 10,556.31 × 2,654.36
  4. Step 4: Simplify right side
    7,039.70x = 28,020,247.01
  5. Step 5: Solve for x
    x = 28,020,247.01/7,039.70
  6. Step 6: Final answer
    x = 3,980.32

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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.