Home / 6,897.04-9,518.19-3,913.22

Finding the Fourth Proportional to 6,897.04, 9,518.19 and 3,913.22

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Solution

The fourth proportional to 6,897.04, 9,518.19 and 3,913.22 is: 5,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.04 : 9,518.19 = 3,913.22 : x
  2. Step 2: Convert to fraction form
    6,897.04/9,518.19 = 3,913.22/x
  3. Step 3: Cross multiply
    6,897.04x = 9,518.19 × 3,913.22
  4. Step 4: Simplify right side
    6,897.04x = 37,246,771.47
  5. Step 5: Solve for x
    x = 37,246,771.47/6,897.04
  6. Step 6: Final answer
    x = 5,400.40

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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.