Home / 4,888.47-7,327.26-2,111.91

Finding the Fourth Proportional to 4,888.47, 7,327.26 and 2,111.91

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Solution

The fourth proportional to 4,888.47, 7,327.26 and 2,111.91 is: 3,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.47 : 7,327.26 = 2,111.91 : x
  2. Step 2: Convert to fraction form
    4,888.47/7,327.26 = 2,111.91/x
  3. Step 3: Cross multiply
    4,888.47x = 7,327.26 × 2,111.91
  4. Step 4: Simplify right side
    4,888.47x = 15,474,513.67
  5. Step 5: Solve for x
    x = 15,474,513.67/4,888.47
  6. Step 6: Final answer
    x = 3,165.51

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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.