Home / 5,331.71-7,357.91-2,973.80

Finding the Fourth Proportional to 5,331.71, 7,357.91 and 2,973.80

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Solution

The fourth proportional to 5,331.71, 7,357.91 and 2,973.80 is: 4,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.71 : 7,357.91 = 2,973.80 : x
  2. Step 2: Convert to fraction form
    5,331.71/7,357.91 = 2,973.80/x
  3. Step 3: Cross multiply
    5,331.71x = 7,357.91 × 2,973.80
  4. Step 4: Simplify right side
    5,331.71x = 21,880,939.99
  5. Step 5: Solve for x
    x = 21,880,939.99/5,331.71
  6. Step 6: Final answer
    x = 4,103.93

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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.