Home / 6,537.79-9,807.08-2,155.29

Finding the Fourth Proportional to 6,537.79, 9,807.08 and 2,155.29

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Solution

The fourth proportional to 6,537.79, 9,807.08 and 2,155.29 is: 3,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.79 : 9,807.08 = 2,155.29 : x
  2. Step 2: Convert to fraction form
    6,537.79/9,807.08 = 2,155.29/x
  3. Step 3: Cross multiply
    6,537.79x = 9,807.08 × 2,155.29
  4. Step 4: Simplify right side
    6,537.79x = 21,137,101.45
  5. Step 5: Solve for x
    x = 21,137,101.45/6,537.79
  6. Step 6: Final answer
    x = 3,233.07

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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.