Home / 4,690.88-7,036.32-1,917.06

Finding the Fourth Proportional to 4,690.88, 7,036.32 and 1,917.06

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Solution

The fourth proportional to 4,690.88, 7,036.32 and 1,917.06 is: 2,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.88 : 7,036.32 = 1,917.06 : x
  2. Step 2: Convert to fraction form
    4,690.88/7,036.32 = 1,917.06/x
  3. Step 3: Cross multiply
    4,690.88x = 7,036.32 × 1,917.06
  4. Step 4: Simplify right side
    4,690.88x = 13,489,047.62
  5. Step 5: Solve for x
    x = 13,489,047.62/4,690.88
  6. Step 6: Final answer
    x = 2,875.59

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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.