Home / 7,897.64-10,898.45-4,360.78

Finding the Fourth Proportional to 7,897.64, 10,898.45 and 4,360.78

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Solution

The fourth proportional to 7,897.64, 10,898.45 and 4,360.78 is: 6,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.64 : 10,898.45 = 4,360.78 : x
  2. Step 2: Convert to fraction form
    7,897.64/10,898.45 = 4,360.78/x
  3. Step 3: Cross multiply
    7,897.64x = 10,898.45 × 4,360.78
  4. Step 4: Simplify right side
    7,897.64x = 47,525,688.30
  5. Step 5: Solve for x
    x = 47,525,688.30/7,897.64
  6. Step 6: Final answer
    x = 6,017.71

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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.