Home / 6,970.41-9,617.67-3,985.47

Finding the Fourth Proportional to 6,970.41, 9,617.67 and 3,985.47

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Solution

The fourth proportional to 6,970.41, 9,617.67 and 3,985.47 is: 5,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.41 : 9,617.67 = 3,985.47 : x
  2. Step 2: Convert to fraction form
    6,970.41/9,617.67 = 3,985.47/x
  3. Step 3: Cross multiply
    6,970.41x = 9,617.67 × 3,985.47
  4. Step 4: Simplify right side
    6,970.41x = 38,330,935.25
  5. Step 5: Solve for x
    x = 38,330,935.25/6,970.41
  6. Step 6: Final answer
    x = 5,499.09

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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.