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Finding the Fourth Proportional to 7,897.83, 10,898.78 and 4,360.78

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Solution

The fourth proportional to 7,897.83, 10,898.78 and 4,360.78 is: 6,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.83 : 10,898.78 = 4,360.78 : x
  2. Step 2: Convert to fraction form
    7,897.83/10,898.78 = 4,360.78/x
  3. Step 3: Cross multiply
    7,897.83x = 10,898.78 × 4,360.78
  4. Step 4: Simplify right side
    7,897.83x = 47,527,181.85
  5. Step 5: Solve for x
    x = 47,527,181.85/7,897.83
  6. Step 6: Final answer
    x = 6,017.75

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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.