Home / 6,905.42-10,357.88-1,975.05

Finding the Fourth Proportional to 6,905.42, 10,357.88 and 1,975.05

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Solution

The fourth proportional to 6,905.42, 10,357.88 and 1,975.05 is: 2,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.42 : 10,357.88 = 1,975.05 : x
  2. Step 2: Convert to fraction form
    6,905.42/10,357.88 = 1,975.05/x
  3. Step 3: Cross multiply
    6,905.42x = 10,357.88 × 1,975.05
  4. Step 4: Simplify right side
    6,905.42x = 20,457,321.02
  5. Step 5: Solve for x
    x = 20,457,321.02/6,905.42
  6. Step 6: Final answer
    x = 2,962.50

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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.