Home / 8,281.47-11,428.36-4,504.64

Finding the Fourth Proportional to 8,281.47, 11,428.36 and 4,504.64

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Solution

The fourth proportional to 8,281.47, 11,428.36 and 4,504.64 is: 6,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.47 : 11,428.36 = 4,504.64 : x
  2. Step 2: Convert to fraction form
    8,281.47/11,428.36 = 4,504.64/x
  3. Step 3: Cross multiply
    8,281.47x = 11,428.36 × 4,504.64
  4. Step 4: Simplify right side
    8,281.47x = 51,480,647.59
  5. Step 5: Solve for x
    x = 51,480,647.59/8,281.47
  6. Step 6: Final answer
    x = 6,216.37

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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.