Home / 6,687.48-10,037.40-3,402.84

Finding the Fourth Proportional to 6,687.48, 10,037.40 and 3,402.84

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Solution

The fourth proportional to 6,687.48, 10,037.40 and 3,402.84 is: 5,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.48 : 10,037.40 = 3,402.84 : x
  2. Step 2: Convert to fraction form
    6,687.48/10,037.40 = 3,402.84/x
  3. Step 3: Cross multiply
    6,687.48x = 10,037.40 × 3,402.84
  4. Step 4: Simplify right side
    6,687.48x = 34,155,666.22
  5. Step 5: Solve for x
    x = 34,155,666.22/6,687.48
  6. Step 6: Final answer
    x = 5,107.40

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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.