Home / 6,109.16-8,420.36-4,673.03

Finding the Fourth Proportional to 6,109.16, 8,420.36 and 4,673.03

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Solution

The fourth proportional to 6,109.16, 8,420.36 and 4,673.03 is: 6,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.16 : 8,420.36 = 4,673.03 : x
  2. Step 2: Convert to fraction form
    6,109.16/8,420.36 = 4,673.03/x
  3. Step 3: Cross multiply
    6,109.16x = 8,420.36 × 4,673.03
  4. Step 4: Simplify right side
    6,109.16x = 39,348,529.42
  5. Step 5: Solve for x
    x = 39,348,529.42/6,109.16
  6. Step 6: Final answer
    x = 6,440.91

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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.