Home / 7,090.23-9,784.50-3,946.41

Finding the Fourth Proportional to 7,090.23, 9,784.50 and 3,946.41

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Solution

The fourth proportional to 7,090.23, 9,784.50 and 3,946.41 is: 5,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.23 : 9,784.50 = 3,946.41 : x
  2. Step 2: Convert to fraction form
    7,090.23/9,784.50 = 3,946.41/x
  3. Step 3: Cross multiply
    7,090.23x = 9,784.50 × 3,946.41
  4. Step 4: Simplify right side
    7,090.23x = 38,613,648.65
  5. Step 5: Solve for x
    x = 38,613,648.65/7,090.23
  6. Step 6: Final answer
    x = 5,446.04

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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.