Home / 5,528.09-8,287.40-2,405.69

Finding the Fourth Proportional to 5,528.09, 8,287.40 and 2,405.69

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Solution

The fourth proportional to 5,528.09, 8,287.40 and 2,405.69 is: 3,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.09 : 8,287.40 = 2,405.69 : x
  2. Step 2: Convert to fraction form
    5,528.09/8,287.40 = 2,405.69/x
  3. Step 3: Cross multiply
    5,528.09x = 8,287.40 × 2,405.69
  4. Step 4: Simplify right side
    5,528.09x = 19,936,915.31
  5. Step 5: Solve for x
    x = 19,936,915.31/5,528.09
  6. Step 6: Final answer
    x = 3,606.47

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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.