Home / 7,349.09-10,136.18-5,109.84

Finding the Fourth Proportional to 7,349.09, 10,136.18 and 5,109.84

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Solution

The fourth proportional to 7,349.09, 10,136.18 and 5,109.84 is: 7,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.09 : 10,136.18 = 5,109.84 : x
  2. Step 2: Convert to fraction form
    7,349.09/10,136.18 = 5,109.84/x
  3. Step 3: Cross multiply
    7,349.09x = 10,136.18 × 5,109.84
  4. Step 4: Simplify right side
    7,349.09x = 51,794,258.01
  5. Step 5: Solve for x
    x = 51,794,258.01/7,349.09
  6. Step 6: Final answer
    x = 7,047.72

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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.