Home / 6,150.24-9,225.09-1,990.08

Finding the Fourth Proportional to 6,150.24, 9,225.09 and 1,990.08

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Solution

The fourth proportional to 6,150.24, 9,225.09 and 1,990.08 is: 2,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.24 : 9,225.09 = 1,990.08 : x
  2. Step 2: Convert to fraction form
    6,150.24/9,225.09 = 1,990.08/x
  3. Step 3: Cross multiply
    6,150.24x = 9,225.09 × 1,990.08
  4. Step 4: Simplify right side
    6,150.24x = 18,358,667.11
  5. Step 5: Solve for x
    x = 18,358,667.11/6,150.24
  6. Step 6: Final answer
    x = 2,985.03

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Half scale
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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.