Home / 8,465.36-11,674.58-5,478.08

Finding the Fourth Proportional to 8,465.36, 11,674.58 and 5,478.08

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Solution

The fourth proportional to 8,465.36, 11,674.58 and 5,478.08 is: 7,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.36 : 11,674.58 = 5,478.08 : x
  2. Step 2: Convert to fraction form
    8,465.36/11,674.58 = 5,478.08/x
  3. Step 3: Cross multiply
    8,465.36x = 11,674.58 × 5,478.08
  4. Step 4: Simplify right side
    8,465.36x = 63,954,197.44
  5. Step 5: Solve for x
    x = 63,954,197.44/8,465.36
  6. Step 6: Final answer
    x = 7,554.82

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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.