Home / 4,350.81-6,524.55-2,128.28

Finding the Fourth Proportional to 4,350.81, 6,524.55 and 2,128.28

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Solution

The fourth proportional to 4,350.81, 6,524.55 and 2,128.28 is: 3,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350.81 : 6,524.55 = 2,128.28 : x
  2. Step 2: Convert to fraction form
    4,350.81/6,524.55 = 2,128.28/x
  3. Step 3: Cross multiply
    4,350.81x = 6,524.55 × 2,128.28
  4. Step 4: Simplify right side
    4,350.81x = 13,886,036.65
  5. Step 5: Solve for x
    x = 13,886,036.65/4,350.81
  6. Step 6: Final answer
    x = 3,191.60

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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.