Home / 6,887.14-9,504.90-3,903.10

Finding the Fourth Proportional to 6,887.14, 9,504.90 and 3,903.10

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Solution

The fourth proportional to 6,887.14, 9,504.90 and 3,903.10 is: 5,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.14 : 9,504.90 = 3,903.10 : x
  2. Step 2: Convert to fraction form
    6,887.14/9,504.90 = 3,903.10/x
  3. Step 3: Cross multiply
    6,887.14x = 9,504.90 × 3,903.10
  4. Step 4: Simplify right side
    6,887.14x = 37,098,575.19
  5. Step 5: Solve for x
    x = 37,098,575.19/6,887.14
  6. Step 6: Final answer
    x = 5,386.64

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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.