Home / 7,940.32-10,958.28-4,403.45

Finding the Fourth Proportional to 7,940.32, 10,958.28 and 4,403.45

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Solution

The fourth proportional to 7,940.32, 10,958.28 and 4,403.45 is: 6,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.32 : 10,958.28 = 4,403.45 : x
  2. Step 2: Convert to fraction form
    7,940.32/10,958.28 = 4,403.45/x
  3. Step 3: Cross multiply
    7,940.32x = 10,958.28 × 4,403.45
  4. Step 4: Simplify right side
    7,940.32x = 48,254,238.07
  5. Step 5: Solve for x
    x = 48,254,238.07/7,940.32
  6. Step 6: Final answer
    x = 6,077.12

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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.