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Finding the Fourth Proportional to 7,897.54, 10,898.54 and 4,360.72

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Solution

The fourth proportional to 7,897.54, 10,898.54 and 4,360.72 is: 6,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.54 : 10,898.54 = 4,360.72 : x
  2. Step 2: Convert to fraction form
    7,897.54/10,898.54 = 4,360.72/x
  3. Step 3: Cross multiply
    7,897.54x = 10,898.54 × 4,360.72
  4. Step 4: Simplify right side
    7,897.54x = 47,525,481.35
  5. Step 5: Solve for x
    x = 47,525,481.35/7,897.54
  6. Step 6: Final answer
    x = 6,017.76

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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.