Home / 7,090.01-9,784.11-3,946.19

Finding the Fourth Proportional to 7,090.01, 9,784.11 and 3,946.19

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Solution

The fourth proportional to 7,090.01, 9,784.11 and 3,946.19 is: 5,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.01 : 9,784.11 = 3,946.19 : x
  2. Step 2: Convert to fraction form
    7,090.01/9,784.11 = 3,946.19/x
  3. Step 3: Cross multiply
    7,090.01x = 9,784.11 × 3,946.19
  4. Step 4: Simplify right side
    7,090.01x = 38,609,981.50
  5. Step 5: Solve for x
    x = 38,609,981.50/7,090.01
  6. Step 6: Final answer
    x = 5,445.69

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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.