Home / 5,445.64-7,512.21-3,558.32

Finding the Fourth Proportional to 5,445.64, 7,512.21 and 3,558.32

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Solution

The fourth proportional to 5,445.64, 7,512.21 and 3,558.32 is: 4,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.64 : 7,512.21 = 3,558.32 : x
  2. Step 2: Convert to fraction form
    5,445.64/7,512.21 = 3,558.32/x
  3. Step 3: Cross multiply
    5,445.64x = 7,512.21 × 3,558.32
  4. Step 4: Simplify right side
    5,445.64x = 26,730,848.08
  5. Step 5: Solve for x
    x = 26,730,848.08/5,445.64
  6. Step 6: Final answer
    x = 4,908.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.