Home / 8,573.28-12,873.87-5,307.18

Finding the Fourth Proportional to 8,573.28, 12,873.87 and 5,307.18

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Solution

The fourth proportional to 8,573.28, 12,873.87 and 5,307.18 is: 7,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.28 : 12,873.87 = 5,307.18 : x
  2. Step 2: Convert to fraction form
    8,573.28/12,873.87 = 5,307.18/x
  3. Step 3: Cross multiply
    8,573.28x = 12,873.87 × 5,307.18
  4. Step 4: Simplify right side
    8,573.28x = 68,323,945.39
  5. Step 5: Solve for x
    x = 68,323,945.39/8,573.28
  6. Step 6: Final answer
    x = 7,969.41

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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.