Home / 4,758.32-7,137.42-1,638.35

Finding the Fourth Proportional to 4,758.32, 7,137.42 and 1,638.35

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Solution

The fourth proportional to 4,758.32, 7,137.42 and 1,638.35 is: 2,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.32 : 7,137.42 = 1,638.35 : x
  2. Step 2: Convert to fraction form
    4,758.32/7,137.42 = 1,638.35/x
  3. Step 3: Cross multiply
    4,758.32x = 7,137.42 × 1,638.35
  4. Step 4: Simplify right side
    4,758.32x = 11,693,592.06
  5. Step 5: Solve for x
    x = 11,693,592.06/4,758.32
  6. Step 6: Final answer
    x = 2,457.50

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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.