Home / 6,148.09-9,220.23-1,987.33

Finding the Fourth Proportional to 6,148.09, 9,220.23 and 1,987.33

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Solution

The fourth proportional to 6,148.09, 9,220.23 and 1,987.33 is: 2,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.09 : 9,220.23 = 1,987.33 : x
  2. Step 2: Convert to fraction form
    6,148.09/9,220.23 = 1,987.33/x
  3. Step 3: Cross multiply
    6,148.09x = 9,220.23 × 1,987.33
  4. Step 4: Simplify right side
    6,148.09x = 18,323,639.69
  5. Step 5: Solve for x
    x = 18,323,639.69/6,148.09
  6. Step 6: Final answer
    x = 2,980.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.