Home / 7,485.32-10,329.78-4,342.28

Finding the Fourth Proportional to 7,485.32, 10,329.78 and 4,342.28

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Solution

The fourth proportional to 7,485.32, 10,329.78 and 4,342.28 is: 5,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.32 : 10,329.78 = 4,342.28 : x
  2. Step 2: Convert to fraction form
    7,485.32/10,329.78 = 4,342.28/x
  3. Step 3: Cross multiply
    7,485.32x = 10,329.78 × 4,342.28
  4. Step 4: Simplify right side
    7,485.32x = 44,854,797.10
  5. Step 5: Solve for x
    x = 44,854,797.10/7,485.32
  6. Step 6: Final answer
    x = 5,992.37

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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.