Home / 7,849.48-10,832.80-4,312.72

Finding the Fourth Proportional to 7,849.48, 10,832.80 and 4,312.72

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Solution

The fourth proportional to 7,849.48, 10,832.80 and 4,312.72 is: 5,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.48 : 10,832.80 = 4,312.72 : x
  2. Step 2: Convert to fraction form
    7,849.48/10,832.80 = 4,312.72/x
  3. Step 3: Cross multiply
    7,849.48x = 10,832.80 × 4,312.72
  4. Step 4: Simplify right side
    7,849.48x = 46,718,833.22
  5. Step 5: Solve for x
    x = 46,718,833.22/7,849.48
  6. Step 6: Final answer
    x = 5,951.84

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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.