Home / 5,615.26-8,421.04-2,653.24

Finding the Fourth Proportional to 5,615.26, 8,421.04 and 2,653.24

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Solution

The fourth proportional to 5,615.26, 8,421.04 and 2,653.24 is: 3,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.26 : 8,421.04 = 2,653.24 : x
  2. Step 2: Convert to fraction form
    5,615.26/8,421.04 = 2,653.24/x
  3. Step 3: Cross multiply
    5,615.26x = 8,421.04 × 2,653.24
  4. Step 4: Simplify right side
    5,615.26x = 22,343,040.17
  5. Step 5: Solve for x
    x = 22,343,040.17/5,615.26
  6. Step 6: Final answer
    x = 3,978.99

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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.