Home / 9,110.46-12,570.23-5,131.58

Finding the Fourth Proportional to 9,110.46, 12,570.23 and 5,131.58

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Solution

The fourth proportional to 9,110.46, 12,570.23 and 5,131.58 is: 7,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.46 : 12,570.23 = 5,131.58 : x
  2. Step 2: Convert to fraction form
    9,110.46/12,570.23 = 5,131.58/x
  3. Step 3: Cross multiply
    9,110.46x = 12,570.23 × 5,131.58
  4. Step 4: Simplify right side
    9,110.46x = 64,505,090.84
  5. Step 5: Solve for x
    x = 64,505,090.84/9,110.46
  6. Step 6: Final answer
    x = 7,080.33

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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.