Home / 6,970.31-9,617.59-4,137.29

Finding the Fourth Proportional to 6,970.31, 9,617.59 and 4,137.29

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Solution

The fourth proportional to 6,970.31, 9,617.59 and 4,137.29 is: 5,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.31 : 9,617.59 = 4,137.29 : x
  2. Step 2: Convert to fraction form
    6,970.31/9,617.59 = 4,137.29/x
  3. Step 3: Cross multiply
    6,970.31x = 9,617.59 × 4,137.29
  4. Step 4: Simplify right side
    6,970.31x = 39,790,738.24
  5. Step 5: Solve for x
    x = 39,790,738.24/6,970.31
  6. Step 6: Final answer
    x = 5,708.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.