Home / 6,505.24-8,977.40-3,851.68

Finding the Fourth Proportional to 6,505.24, 8,977.40 and 3,851.68

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Solution

The fourth proportional to 6,505.24, 8,977.40 and 3,851.68 is: 5,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.24 : 8,977.40 = 3,851.68 : x
  2. Step 2: Convert to fraction form
    6,505.24/8,977.40 = 3,851.68/x
  3. Step 3: Cross multiply
    6,505.24x = 8,977.40 × 3,851.68
  4. Step 4: Simplify right side
    6,505.24x = 34,578,072.03
  5. Step 5: Solve for x
    x = 34,578,072.03/6,505.24
  6. Step 6: Final answer
    x = 5,315.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.