Home / 7,897.78-10,895.88-4,540.06

Finding the Fourth Proportional to 7,897.78, 10,895.88 and 4,540.06

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Solution

The fourth proportional to 7,897.78, 10,895.88 and 4,540.06 is: 6,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.78 : 10,895.88 = 4,540.06 : x
  2. Step 2: Convert to fraction form
    7,897.78/10,895.88 = 4,540.06/x
  3. Step 3: Cross multiply
    7,897.78x = 10,895.88 × 4,540.06
  4. Step 4: Simplify right side
    7,897.78x = 49,467,948.95
  5. Step 5: Solve for x
    x = 49,467,948.95/7,897.78
  6. Step 6: Final answer
    x = 6,263.53

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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.