Home / 6,534.80-9,018.08-3,550.64

Finding the Fourth Proportional to 6,534.80, 9,018.08 and 3,550.64

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Solution

The fourth proportional to 6,534.80, 9,018.08 and 3,550.64 is: 4,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534.80 : 9,018.08 = 3,550.64 : x
  2. Step 2: Convert to fraction form
    6,534.80/9,018.08 = 3,550.64/x
  3. Step 3: Cross multiply
    6,534.80x = 9,018.08 × 3,550.64
  4. Step 4: Simplify right side
    6,534.80x = 32,019,955.57
  5. Step 5: Solve for x
    x = 32,019,955.57/6,534.80
  6. Step 6: Final answer
    x = 4,899.91

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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.