Home / 3,627.12-5,430.13-3,071.86

Finding the Fourth Proportional to 3,627.12, 5,430.13 and 3,071.86

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Solution

The fourth proportional to 3,627.12, 5,430.13 and 3,071.86 is: 4,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.12 : 5,430.13 = 3,071.86 : x
  2. Step 2: Convert to fraction form
    3,627.12/5,430.13 = 3,071.86/x
  3. Step 3: Cross multiply
    3,627.12x = 5,430.13 × 3,071.86
  4. Step 4: Simplify right side
    3,627.12x = 16,680,599.14
  5. Step 5: Solve for x
    x = 16,680,599.14/3,627.12
  6. Step 6: Final answer
    x = 4,598.86

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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.