Home / 6,970.48-9,619.47-3,945.38

Finding the Fourth Proportional to 6,970.48, 9,619.47 and 3,945.38

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Solution

The fourth proportional to 6,970.48, 9,619.47 and 3,945.38 is: 5,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.48 : 9,619.47 = 3,945.38 : x
  2. Step 2: Convert to fraction form
    6,970.48/9,619.47 = 3,945.38/x
  3. Step 3: Cross multiply
    6,970.48x = 9,619.47 × 3,945.38
  4. Step 4: Simplify right side
    6,970.48x = 37,952,416.45
  5. Step 5: Solve for x
    x = 37,952,416.45/6,970.48
  6. Step 6: Final answer
    x = 5,444.74

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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.