Home / 7,344.31-10,131.39-4,688.93

Finding the Fourth Proportional to 7,344.31, 10,131.39 and 4,688.93

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Solution

The fourth proportional to 7,344.31, 10,131.39 and 4,688.93 is: 6,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.31 : 10,131.39 = 4,688.93 : x
  2. Step 2: Convert to fraction form
    7,344.31/10,131.39 = 4,688.93/x
  3. Step 3: Cross multiply
    7,344.31x = 10,131.39 × 4,688.93
  4. Step 4: Simplify right side
    7,344.31x = 47,505,327.86
  5. Step 5: Solve for x
    x = 47,505,327.86/7,344.31
  6. Step 6: Final answer
    x = 6,468.32

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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.