Home / 7,130.57-10,698.58-2,969.46

Finding the Fourth Proportional to 7,130.57, 10,698.58 and 2,969.46

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Solution

The fourth proportional to 7,130.57, 10,698.58 and 2,969.46 is: 4,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.57 : 10,698.58 = 2,969.46 : x
  2. Step 2: Convert to fraction form
    7,130.57/10,698.58 = 2,969.46/x
  3. Step 3: Cross multiply
    7,130.57x = 10,698.58 × 2,969.46
  4. Step 4: Simplify right side
    7,130.57x = 31,769,005.37
  5. Step 5: Solve for x
    x = 31,769,005.37/7,130.57
  6. Step 6: Final answer
    x = 4,455.32

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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.