Home / 5,904.97-8,145.75-3,888.07

Finding the Fourth Proportional to 5,904.97, 8,145.75 and 3,888.07

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Solution

The fourth proportional to 5,904.97, 8,145.75 and 3,888.07 is: 5,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.97 : 8,145.75 = 3,888.07 : x
  2. Step 2: Convert to fraction form
    5,904.97/8,145.75 = 3,888.07/x
  3. Step 3: Cross multiply
    5,904.97x = 8,145.75 × 3,888.07
  4. Step 4: Simplify right side
    5,904.97x = 31,671,246.20
  5. Step 5: Solve for x
    x = 31,671,246.20/5,904.97
  6. Step 6: Final answer
    x = 5,363.49

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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.