Home / 7,465.84-11,197.51-2,128.64

Finding the Fourth Proportional to 7,465.84, 11,197.51 and 2,128.64

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Solution

The fourth proportional to 7,465.84, 11,197.51 and 2,128.64 is: 3,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.84 : 11,197.51 = 2,128.64 : x
  2. Step 2: Convert to fraction form
    7,465.84/11,197.51 = 2,128.64/x
  3. Step 3: Cross multiply
    7,465.84x = 11,197.51 × 2,128.64
  4. Step 4: Simplify right side
    7,465.84x = 23,835,406.38
  5. Step 5: Solve for x
    x = 23,835,406.38/7,465.84
  6. Step 6: Final answer
    x = 3,192.60

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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.