Home / 7,012.07-10,522.13-2,851.31

Finding the Fourth Proportional to 7,012.07, 10,522.13 and 2,851.31

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Solution

The fourth proportional to 7,012.07, 10,522.13 and 2,851.31 is: 4,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.07 : 10,522.13 = 2,851.31 : x
  2. Step 2: Convert to fraction form
    7,012.07/10,522.13 = 2,851.31/x
  3. Step 3: Cross multiply
    7,012.07x = 10,522.13 × 2,851.31
  4. Step 4: Simplify right side
    7,012.07x = 30,001,840.23
  5. Step 5: Solve for x
    x = 30,001,840.23/7,012.07
  6. Step 6: Final answer
    x = 4,278.60

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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.