Home / 6,528.42-9,003.74-4,288.55

Finding the Fourth Proportional to 6,528.42, 9,003.74 and 4,288.55

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Solution

The fourth proportional to 6,528.42, 9,003.74 and 4,288.55 is: 5,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.42 : 9,003.74 = 4,288.55 : x
  2. Step 2: Convert to fraction form
    6,528.42/9,003.74 = 4,288.55/x
  3. Step 3: Cross multiply
    6,528.42x = 9,003.74 × 4,288.55
  4. Step 4: Simplify right side
    6,528.42x = 38,612,922.72
  5. Step 5: Solve for x
    x = 38,612,922.72/6,528.42
  6. Step 6: Final answer
    x = 5,914.59

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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.