Home / 7,386.39-11,072.58-2,946.79

Finding the Fourth Proportional to 7,386.39, 11,072.58 and 2,946.79

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Solution

The fourth proportional to 7,386.39, 11,072.58 and 2,946.79 is: 4,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.39 : 11,072.58 = 2,946.79 : x
  2. Step 2: Convert to fraction form
    7,386.39/11,072.58 = 2,946.79/x
  3. Step 3: Cross multiply
    7,386.39x = 11,072.58 × 2,946.79
  4. Step 4: Simplify right side
    7,386.39x = 32,628,512.66
  5. Step 5: Solve for x
    x = 32,628,512.66/7,386.39
  6. Step 6: Final answer
    x = 4,417.38

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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.