Home / 4,690.01-7,032.96-1,878

Finding the Fourth Proportional to 4,690.01, 7,032.96 and 1,878

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Solution

The fourth proportional to 4,690.01, 7,032.96 and 1,878 is: 2,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.01 : 7,032.96 = 1,878 : x
  2. Step 2: Convert to fraction form
    4,690.01/7,032.96 = 1,878/x
  3. Step 3: Cross multiply
    4,690.01x = 7,032.96 × 1,878
  4. Step 4: Simplify right side
    4,690.01x = 13,207,898.88
  5. Step 5: Solve for x
    x = 13,207,898.88/4,690.01
  6. Step 6: Final answer
    x = 2,816.18

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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.