Home / 4,690.90-7,036.62-1,571.32

Finding the Fourth Proportional to 4,690.90, 7,036.62 and 1,571.32

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Solution

The fourth proportional to 4,690.90, 7,036.62 and 1,571.32 is: 2,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.90 : 7,036.62 = 1,571.32 : x
  2. Step 2: Convert to fraction form
    4,690.90/7,036.62 = 1,571.32/x
  3. Step 3: Cross multiply
    4,690.90x = 7,036.62 × 1,571.32
  4. Step 4: Simplify right side
    4,690.90x = 11,056,781.74
  5. Step 5: Solve for x
    x = 11,056,781.74/4,690.90
  6. Step 6: Final answer
    x = 2,357.07

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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.