Home / 6,138.04-8,470.56-3,485.51

Finding the Fourth Proportional to 6,138.04, 8,470.56 and 3,485.51

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Solution

The fourth proportional to 6,138.04, 8,470.56 and 3,485.51 is: 4,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.04 : 8,470.56 = 3,485.51 : x
  2. Step 2: Convert to fraction form
    6,138.04/8,470.56 = 3,485.51/x
  3. Step 3: Cross multiply
    6,138.04x = 8,470.56 × 3,485.51
  4. Step 4: Simplify right side
    6,138.04x = 29,524,208.51
  5. Step 5: Solve for x
    x = 29,524,208.51/6,138.04
  6. Step 6: Final answer
    x = 4,810.04

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Double scale
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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.