Home / 5,638.32-8,457.54-2,518.48

Finding the Fourth Proportional to 5,638.32, 8,457.54 and 2,518.48

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Solution

The fourth proportional to 5,638.32, 8,457.54 and 2,518.48 is: 3,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.32 : 8,457.54 = 2,518.48 : x
  2. Step 2: Convert to fraction form
    5,638.32/8,457.54 = 2,518.48/x
  3. Step 3: Cross multiply
    5,638.32x = 8,457.54 × 2,518.48
  4. Step 4: Simplify right side
    5,638.32x = 21,300,145.34
  5. Step 5: Solve for x
    x = 21,300,145.34/5,638.32
  6. Step 6: Final answer
    x = 3,777.75

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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.