Home / 7,187.34-10,781.01-4,268.10

Finding the Fourth Proportional to 7,187.34, 10,781.01 and 4,268.10

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Solution

The fourth proportional to 7,187.34, 10,781.01 and 4,268.10 is: 6,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.34 : 10,781.01 = 4,268.10 : x
  2. Step 2: Convert to fraction form
    7,187.34/10,781.01 = 4,268.10/x
  3. Step 3: Cross multiply
    7,187.34x = 10,781.01 × 4,268.10
  4. Step 4: Simplify right side
    7,187.34x = 46,014,428.78
  5. Step 5: Solve for x
    x = 46,014,428.78/7,187.34
  6. Step 6: Final answer
    x = 6,402.15

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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.