Home / 4,090.42-6,130.96-1,864.30

Finding the Fourth Proportional to 4,090.42, 6,130.96 and 1,864.30

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Solution

The fourth proportional to 4,090.42, 6,130.96 and 1,864.30 is: 2,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.42 : 6,130.96 = 1,864.30 : x
  2. Step 2: Convert to fraction form
    4,090.42/6,130.96 = 1,864.30/x
  3. Step 3: Cross multiply
    4,090.42x = 6,130.96 × 1,864.30
  4. Step 4: Simplify right side
    4,090.42x = 11,429,948.73
  5. Step 5: Solve for x
    x = 11,429,948.73/4,090.42
  6. Step 6: Final answer
    x = 2,794.32

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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.