Home / 4,679.32-7,021.52-1,757.40

Finding the Fourth Proportional to 4,679.32, 7,021.52 and 1,757.40

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Solution

The fourth proportional to 4,679.32, 7,021.52 and 1,757.40 is: 2,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.32 : 7,021.52 = 1,757.40 : x
  2. Step 2: Convert to fraction form
    4,679.32/7,021.52 = 1,757.40/x
  3. Step 3: Cross multiply
    4,679.32x = 7,021.52 × 1,757.40
  4. Step 4: Simplify right side
    4,679.32x = 12,339,619.25
  5. Step 5: Solve for x
    x = 12,339,619.25/4,679.32
  6. Step 6: Final answer
    x = 2,637.05

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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.