Home / 6,988.21-10,449.91-5,410.33

Finding the Fourth Proportional to 6,988.21, 10,449.91 and 5,410.33

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Solution

The fourth proportional to 6,988.21, 10,449.91 and 5,410.33 is: 8,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.21 : 10,449.91 = 5,410.33 : x
  2. Step 2: Convert to fraction form
    6,988.21/10,449.91 = 5,410.33/x
  3. Step 3: Cross multiply
    6,988.21x = 10,449.91 × 5,410.33
  4. Step 4: Simplify right side
    6,988.21x = 56,537,461.57
  5. Step 5: Solve for x
    x = 56,537,461.57/6,988.21
  6. Step 6: Final answer
    x = 8,090.41

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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.