Home / 9,090.24-12,543.86-5,110.58

Finding the Fourth Proportional to 9,090.24, 12,543.86 and 5,110.58

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Solution

The fourth proportional to 9,090.24, 12,543.86 and 5,110.58 is: 7,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.24 : 12,543.86 = 5,110.58 : x
  2. Step 2: Convert to fraction form
    9,090.24/12,543.86 = 5,110.58/x
  3. Step 3: Cross multiply
    9,090.24x = 12,543.86 × 5,110.58
  4. Step 4: Simplify right side
    9,090.24x = 64,106,400.04
  5. Step 5: Solve for x
    x = 64,106,400.04/9,090.24
  6. Step 6: Final answer
    x = 7,052.22

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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.