Home / 9,210.64-13,810.88-3,658.32

Finding the Fourth Proportional to 9,210.64, 13,810.88 and 3,658.32

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Solution

The fourth proportional to 9,210.64, 13,810.88 and 3,658.32 is: 5,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.64 : 13,810.88 = 3,658.32 : x
  2. Step 2: Convert to fraction form
    9,210.64/13,810.88 = 3,658.32/x
  3. Step 3: Cross multiply
    9,210.64x = 13,810.88 × 3,658.32
  4. Step 4: Simplify right side
    9,210.64x = 50,524,618.52
  5. Step 5: Solve for x
    x = 50,524,618.52/9,210.64
  6. Step 6: Final answer
    x = 5,485.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.