Home / 6,897.18-10,340.64-3,436.86

Finding the Fourth Proportional to 6,897.18, 10,340.64 and 3,436.86

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Solution

The fourth proportional to 6,897.18, 10,340.64 and 3,436.86 is: 5,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.18 : 10,340.64 = 3,436.86 : x
  2. Step 2: Convert to fraction form
    6,897.18/10,340.64 = 3,436.86/x
  3. Step 3: Cross multiply
    6,897.18x = 10,340.64 × 3,436.86
  4. Step 4: Simplify right side
    6,897.18x = 35,539,331.99
  5. Step 5: Solve for x
    x = 35,539,331.99/6,897.18
  6. Step 6: Final answer
    x = 5,152.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.