Home / 5,627.16-8,440.20-1,731.60

Finding the Fourth Proportional to 5,627.16, 8,440.20 and 1,731.60

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Solution

The fourth proportional to 5,627.16, 8,440.20 and 1,731.60 is: 2,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.16 : 8,440.20 = 1,731.60 : x
  2. Step 2: Convert to fraction form
    5,627.16/8,440.20 = 1,731.60/x
  3. Step 3: Cross multiply
    5,627.16x = 8,440.20 × 1,731.60
  4. Step 4: Simplify right side
    5,627.16x = 14,615,050.32
  5. Step 5: Solve for x
    x = 14,615,050.32/5,627.16
  6. Step 6: Final answer
    x = 2,597.23

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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.