Home / 7,140.58-10,713.24-4,505.05

Finding the Fourth Proportional to 7,140.58, 10,713.24 and 4,505.05

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Solution

The fourth proportional to 7,140.58, 10,713.24 and 4,505.05 is: 6,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.58 : 10,713.24 = 4,505.05 : x
  2. Step 2: Convert to fraction form
    7,140.58/10,713.24 = 4,505.05/x
  3. Step 3: Cross multiply
    7,140.58x = 10,713.24 × 4,505.05
  4. Step 4: Simplify right side
    7,140.58x = 48,263,605.77
  5. Step 5: Solve for x
    x = 48,263,605.77/7,140.58
  6. Step 6: Final answer
    x = 6,759.06

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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.