Home / 8,841.78-13,271.40-6,495.21

Finding the Fourth Proportional to 8,841.78, 13,271.40 and 6,495.21

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Solution

The fourth proportional to 8,841.78, 13,271.40 and 6,495.21 is: 9,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.78 : 13,271.40 = 6,495.21 : x
  2. Step 2: Convert to fraction form
    8,841.78/13,271.40 = 6,495.21/x
  3. Step 3: Cross multiply
    8,841.78x = 13,271.40 × 6,495.21
  4. Step 4: Simplify right side
    8,841.78x = 86,200,529.99
  5. Step 5: Solve for x
    x = 86,200,529.99/8,841.78
  6. Step 6: Final answer
    x = 9,749.23

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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.