Home / 7,756.31-10,704.26-4,399.40

Finding the Fourth Proportional to 7,756.31, 10,704.26 and 4,399.40

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Solution

The fourth proportional to 7,756.31, 10,704.26 and 4,399.40 is: 6,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.31 : 10,704.26 = 4,399.40 : x
  2. Step 2: Convert to fraction form
    7,756.31/10,704.26 = 4,399.40/x
  3. Step 3: Cross multiply
    7,756.31x = 10,704.26 × 4,399.40
  4. Step 4: Simplify right side
    7,756.31x = 47,092,359.20
  5. Step 5: Solve for x
    x = 47,092,359.20/7,756.31
  6. Step 6: Final answer
    x = 6,071.49

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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.