Home / 6,077.86-8,386.26-3,953.76

Finding the Fourth Proportional to 6,077.86, 8,386.26 and 3,953.76

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Solution

The fourth proportional to 6,077.86, 8,386.26 and 3,953.76 is: 5,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.86 : 8,386.26 = 3,953.76 : x
  2. Step 2: Convert to fraction form
    6,077.86/8,386.26 = 3,953.76/x
  3. Step 3: Cross multiply
    6,077.86x = 8,386.26 × 3,953.76
  4. Step 4: Simplify right side
    6,077.86x = 33,157,259.34
  5. Step 5: Solve for x
    x = 33,157,259.34/6,077.86
  6. Step 6: Final answer
    x = 5,455.42

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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.