Home / 6,741.46-9,300.54-4,087.90

Finding the Fourth Proportional to 6,741.46, 9,300.54 and 4,087.90

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Solution

The fourth proportional to 6,741.46, 9,300.54 and 4,087.90 is: 5,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.46 : 9,300.54 = 4,087.90 : x
  2. Step 2: Convert to fraction form
    6,741.46/9,300.54 = 4,087.90/x
  3. Step 3: Cross multiply
    6,741.46x = 9,300.54 × 4,087.90
  4. Step 4: Simplify right side
    6,741.46x = 38,019,677.47
  5. Step 5: Solve for x
    x = 38,019,677.47/6,741.46
  6. Step 6: Final answer
    x = 5,639.68

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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.