Home / 7,899.99-11,841.56-5,946.15

Finding the Fourth Proportional to 7,899.99, 11,841.56 and 5,946.15

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Solution

The fourth proportional to 7,899.99, 11,841.56 and 5,946.15 is: 8,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.99 : 11,841.56 = 5,946.15 : x
  2. Step 2: Convert to fraction form
    7,899.99/11,841.56 = 5,946.15/x
  3. Step 3: Cross multiply
    7,899.99x = 11,841.56 × 5,946.15
  4. Step 4: Simplify right side
    7,899.99x = 70,411,603.06
  5. Step 5: Solve for x
    x = 70,411,603.06/7,899.99
  6. Step 6: Final answer
    x = 8,912.88

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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.