Home / 5,416.89-8,125.34-1,954.14

Finding the Fourth Proportional to 5,416.89, 8,125.34 and 1,954.14

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Solution

The fourth proportional to 5,416.89, 8,125.34 and 1,954.14 is: 2,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.89 : 8,125.34 = 1,954.14 : x
  2. Step 2: Convert to fraction form
    5,416.89/8,125.34 = 1,954.14/x
  3. Step 3: Cross multiply
    5,416.89x = 8,125.34 × 1,954.14
  4. Step 4: Simplify right side
    5,416.89x = 15,878,051.91
  5. Step 5: Solve for x
    x = 15,878,051.91/5,416.89
  6. Step 6: Final answer
    x = 2,931.21

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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.