Home / 6,402.36-8,835.66-3,608.76

Finding the Fourth Proportional to 6,402.36, 8,835.66 and 3,608.76

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Solution

The fourth proportional to 6,402.36, 8,835.66 and 3,608.76 is: 4,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.36 : 8,835.66 = 3,608.76 : x
  2. Step 2: Convert to fraction form
    6,402.36/8,835.66 = 3,608.76/x
  3. Step 3: Cross multiply
    6,402.36x = 8,835.66 × 3,608.76
  4. Step 4: Simplify right side
    6,402.36x = 31,885,776.38
  5. Step 5: Solve for x
    x = 31,885,776.38/6,402.36
  6. Step 6: Final answer
    x = 4,980.32

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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.