Home / 8,313.93-11,475.54-4,778.28

Finding the Fourth Proportional to 8,313.93, 11,475.54 and 4,778.28

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Solution

The fourth proportional to 8,313.93, 11,475.54 and 4,778.28 is: 6,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.93 : 11,475.54 = 4,778.28 : x
  2. Step 2: Convert to fraction form
    8,313.93/11,475.54 = 4,778.28/x
  3. Step 3: Cross multiply
    8,313.93x = 11,475.54 × 4,778.28
  4. Step 4: Simplify right side
    8,313.93x = 54,833,343.27
  5. Step 5: Solve for x
    x = 54,833,343.27/8,313.93
  6. Step 6: Final answer
    x = 6,595.36

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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.