Home / 7,146.90-10,721.07-2,466.32

Finding the Fourth Proportional to 7,146.90, 10,721.07 and 2,466.32

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Solution

The fourth proportional to 7,146.90, 10,721.07 and 2,466.32 is: 3,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.90 : 10,721.07 = 2,466.32 : x
  2. Step 2: Convert to fraction form
    7,146.90/10,721.07 = 2,466.32/x
  3. Step 3: Cross multiply
    7,146.90x = 10,721.07 × 2,466.32
  4. Step 4: Simplify right side
    7,146.90x = 26,441,535.76
  5. Step 5: Solve for x
    x = 26,441,535.76/7,146.90
  6. Step 6: Final answer
    x = 3,699.72

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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.