Home / 4,888.32-7,332.96-2,115.06

Finding the Fourth Proportional to 4,888.32, 7,332.96 and 2,115.06

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Solution

The fourth proportional to 4,888.32, 7,332.96 and 2,115.06 is: 3,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.32 : 7,332.96 = 2,115.06 : x
  2. Step 2: Convert to fraction form
    4,888.32/7,332.96 = 2,115.06/x
  3. Step 3: Cross multiply
    4,888.32x = 7,332.96 × 2,115.06
  4. Step 4: Simplify right side
    4,888.32x = 15,509,650.38
  5. Step 5: Solve for x
    x = 15,509,650.38/4,888.32
  6. Step 6: Final answer
    x = 3,172.80

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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.