Home / 5,430.01-8,145.57-1,481.35

Finding the Fourth Proportional to 5,430.01, 8,145.57 and 1,481.35

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Solution

The fourth proportional to 5,430.01, 8,145.57 and 1,481.35 is: 2,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.01 : 8,145.57 = 1,481.35 : x
  2. Step 2: Convert to fraction form
    5,430.01/8,145.57 = 1,481.35/x
  3. Step 3: Cross multiply
    5,430.01x = 8,145.57 × 1,481.35
  4. Step 4: Simplify right side
    5,430.01x = 12,066,440.12
  5. Step 5: Solve for x
    x = 12,066,440.12/5,430.01
  6. Step 6: Final answer
    x = 2,222.18

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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.