Home / 7,527.28-10,387.60-4,383.68

Finding the Fourth Proportional to 7,527.28, 10,387.60 and 4,383.68

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Solution

The fourth proportional to 7,527.28, 10,387.60 and 4,383.68 is: 6,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.28 : 10,387.60 = 4,383.68 : x
  2. Step 2: Convert to fraction form
    7,527.28/10,387.60 = 4,383.68/x
  3. Step 3: Cross multiply
    7,527.28x = 10,387.60 × 4,383.68
  4. Step 4: Simplify right side
    7,527.28x = 45,535,914.37
  5. Step 5: Solve for x
    x = 45,535,914.37/7,527.28
  6. Step 6: Final answer
    x = 6,049.45

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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.