Home / 9,100.96-12,558.85-5,324.51

Finding the Fourth Proportional to 9,100.96, 12,558.85 and 5,324.51

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Solution

The fourth proportional to 9,100.96, 12,558.85 and 5,324.51 is: 7,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.96 : 12,558.85 = 5,324.51 : x
  2. Step 2: Convert to fraction form
    9,100.96/12,558.85 = 5,324.51/x
  3. Step 3: Cross multiply
    9,100.96x = 12,558.85 × 5,324.51
  4. Step 4: Simplify right side
    9,100.96x = 66,869,705.18
  5. Step 5: Solve for x
    x = 66,869,705.18/9,100.96
  6. Step 6: Final answer
    x = 7,347.55

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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.