Home / 5,451.10-8,134.73-5,419.91

Finding the Fourth Proportional to 5,451.10, 8,134.73 and 5,419.91

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Solution

The fourth proportional to 5,451.10, 8,134.73 and 5,419.91 is: 8,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.10 : 8,134.73 = 5,419.91 : x
  2. Step 2: Convert to fraction form
    5,451.10/8,134.73 = 5,419.91/x
  3. Step 3: Cross multiply
    5,451.10x = 8,134.73 × 5,419.91
  4. Step 4: Simplify right side
    5,451.10x = 44,089,518.04
  5. Step 5: Solve for x
    x = 44,089,518.04/5,451.10
  6. Step 6: Final answer
    x = 8,088.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.