Home / 7,527.56-10,387.36-4,170.32

Finding the Fourth Proportional to 7,527.56, 10,387.36 and 4,170.32

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Solution

The fourth proportional to 7,527.56, 10,387.36 and 4,170.32 is: 5,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.56 : 10,387.36 = 4,170.32 : x
  2. Step 2: Convert to fraction form
    7,527.56/10,387.36 = 4,170.32/x
  3. Step 3: Cross multiply
    7,527.56x = 10,387.36 × 4,170.32
  4. Step 4: Simplify right side
    7,527.56x = 43,318,615.16
  5. Step 5: Solve for x
    x = 43,318,615.16/7,527.56
  6. Step 6: Final answer
    x = 5,754.67

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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.