Home / 7,103.49-9,801.64-4,118.10

Finding the Fourth Proportional to 7,103.49, 9,801.64 and 4,118.10

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Solution

The fourth proportional to 7,103.49, 9,801.64 and 4,118.10 is: 5,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.49 : 9,801.64 = 4,118.10 : x
  2. Step 2: Convert to fraction form
    7,103.49/9,801.64 = 4,118.10/x
  3. Step 3: Cross multiply
    7,103.49x = 9,801.64 × 4,118.10
  4. Step 4: Simplify right side
    7,103.49x = 40,364,133.68
  5. Step 5: Solve for x
    x = 40,364,133.68/7,103.49
  6. Step 6: Final answer
    x = 5,682.30

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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.