Home / 7,130.44-10,698.40-2,969.34

Finding the Fourth Proportional to 7,130.44, 10,698.40 and 2,969.34

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Solution

The fourth proportional to 7,130.44, 10,698.40 and 2,969.34 is: 4,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.44 : 10,698.40 = 2,969.34 : x
  2. Step 2: Convert to fraction form
    7,130.44/10,698.40 = 2,969.34/x
  3. Step 3: Cross multiply
    7,130.44x = 10,698.40 × 2,969.34
  4. Step 4: Simplify right side
    7,130.44x = 31,767,150.65
  5. Step 5: Solve for x
    x = 31,767,150.65/7,130.44
  6. Step 6: Final answer
    x = 4,455.15

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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.