Home / 6,187.78-8,534.16-5,440.14

Finding the Fourth Proportional to 6,187.78, 8,534.16 and 5,440.14

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Solution

The fourth proportional to 6,187.78, 8,534.16 and 5,440.14 is: 7,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.78 : 8,534.16 = 5,440.14 : x
  2. Step 2: Convert to fraction form
    6,187.78/8,534.16 = 5,440.14/x
  3. Step 3: Cross multiply
    6,187.78x = 8,534.16 × 5,440.14
  4. Step 4: Simplify right side
    6,187.78x = 46,427,025.18
  5. Step 5: Solve for x
    x = 46,427,025.18/6,187.78
  6. Step 6: Final answer
    x = 7,503.02

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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.