Home / 8,698.29-12,000.71-5,296.49

Finding the Fourth Proportional to 8,698.29, 12,000.71 and 5,296.49

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Solution

The fourth proportional to 8,698.29, 12,000.71 and 5,296.49 is: 7,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.29 : 12,000.71 = 5,296.49 : x
  2. Step 2: Convert to fraction form
    8,698.29/12,000.71 = 5,296.49/x
  3. Step 3: Cross multiply
    8,698.29x = 12,000.71 × 5,296.49
  4. Step 4: Simplify right side
    8,698.29x = 63,561,608.96
  5. Step 5: Solve for x
    x = 63,561,608.96/8,698.29
  6. Step 6: Final answer
    x = 7,307.37

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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.