Home / 7,012.79-10,521.01-2,630.33

Finding the Fourth Proportional to 7,012.79, 10,521.01 and 2,630.33

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Solution

The fourth proportional to 7,012.79, 10,521.01 and 2,630.33 is: 3,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.79 : 10,521.01 = 2,630.33 : x
  2. Step 2: Convert to fraction form
    7,012.79/10,521.01 = 2,630.33/x
  3. Step 3: Cross multiply
    7,012.79x = 10,521.01 × 2,630.33
  4. Step 4: Simplify right side
    7,012.79x = 27,673,669.05
  5. Step 5: Solve for x
    x = 27,673,669.05/7,012.79
  6. Step 6: Final answer
    x = 3,946.17

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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.