Home / 7,897.25-10,898.45-4,540.74

Finding the Fourth Proportional to 7,897.25, 10,898.45 and 4,540.74

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Solution

The fourth proportional to 7,897.25, 10,898.45 and 4,540.74 is: 6,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.25 : 10,898.45 = 4,540.74 : x
  2. Step 2: Convert to fraction form
    7,897.25/10,898.45 = 4,540.74/x
  3. Step 3: Cross multiply
    7,897.25x = 10,898.45 × 4,540.74
  4. Step 4: Simplify right side
    7,897.25x = 49,487,005.15
  5. Step 5: Solve for x
    x = 49,487,005.15/7,897.25
  6. Step 6: Final answer
    x = 6,266.36

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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.