Home / 5,407.09-8,110.01-1,458.63

Finding the Fourth Proportional to 5,407.09, 8,110.01 and 1,458.63

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Solution

The fourth proportional to 5,407.09, 8,110.01 and 1,458.63 is: 2,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.09 : 8,110.01 = 1,458.63 : x
  2. Step 2: Convert to fraction form
    5,407.09/8,110.01 = 1,458.63/x
  3. Step 3: Cross multiply
    5,407.09x = 8,110.01 × 1,458.63
  4. Step 4: Simplify right side
    5,407.09x = 11,829,507.53
  5. Step 5: Solve for x
    x = 11,829,507.53/5,407.09
  6. Step 6: Final answer
    x = 2,187.78

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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.