Home / 6,537.76-9,807.60-2,155.68

Finding the Fourth Proportional to 6,537.76, 9,807.60 and 2,155.68

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Solution

The fourth proportional to 6,537.76, 9,807.60 and 2,155.68 is: 3,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.76 : 9,807.60 = 2,155.68 : x
  2. Step 2: Convert to fraction form
    6,537.76/9,807.60 = 2,155.68/x
  3. Step 3: Cross multiply
    6,537.76x = 9,807.60 × 2,155.68
  4. Step 4: Simplify right side
    6,537.76x = 21,142,047.17
  5. Step 5: Solve for x
    x = 21,142,047.17/6,537.76
  6. Step 6: Final answer
    x = 3,233.84

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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.