Home / 9,281.44-12,808.68-5,090.08

Finding the Fourth Proportional to 9,281.44, 12,808.68 and 5,090.08

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Solution

The fourth proportional to 9,281.44, 12,808.68 and 5,090.08 is: 7,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.44 : 12,808.68 = 5,090.08 : x
  2. Step 2: Convert to fraction form
    9,281.44/12,808.68 = 5,090.08/x
  3. Step 3: Cross multiply
    9,281.44x = 12,808.68 × 5,090.08
  4. Step 4: Simplify right side
    9,281.44x = 65,197,205.89
  5. Step 5: Solve for x
    x = 65,197,205.89/9,281.44
  6. Step 6: Final answer
    x = 7,024.47

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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.