Home / 7,888.36-10,885.97-4,351.57

Finding the Fourth Proportional to 7,888.36, 10,885.97 and 4,351.57

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Solution

The fourth proportional to 7,888.36, 10,885.97 and 4,351.57 is: 6,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.36 : 10,885.97 = 4,351.57 : x
  2. Step 2: Convert to fraction form
    7,888.36/10,885.97 = 4,351.57/x
  3. Step 3: Cross multiply
    7,888.36x = 10,885.97 × 4,351.57
  4. Step 4: Simplify right side
    7,888.36x = 47,371,071.35
  5. Step 5: Solve for x
    x = 47,371,071.35/7,888.36
  6. Step 6: Final answer
    x = 6,005.19

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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.