Home / 7,875.96-11,805.76-4,177.23

Finding the Fourth Proportional to 7,875.96, 11,805.76 and 4,177.23

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Solution

The fourth proportional to 7,875.96, 11,805.76 and 4,177.23 is: 6,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.96 : 11,805.76 = 4,177.23 : x
  2. Step 2: Convert to fraction form
    7,875.96/11,805.76 = 4,177.23/x
  3. Step 3: Cross multiply
    7,875.96x = 11,805.76 × 4,177.23
  4. Step 4: Simplify right side
    7,875.96x = 49,315,374.84
  5. Step 5: Solve for x
    x = 49,315,374.84/7,875.96
  6. Step 6: Final answer
    x = 6,261.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.