Home / 8,407.36-11,601.60-4,869.94

Finding the Fourth Proportional to 8,407.36, 11,601.60 and 4,869.94

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Solution

The fourth proportional to 8,407.36, 11,601.60 and 4,869.94 is: 6,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.36 : 11,601.60 = 4,869.94 : x
  2. Step 2: Convert to fraction form
    8,407.36/11,601.60 = 4,869.94/x
  3. Step 3: Cross multiply
    8,407.36x = 11,601.60 × 4,869.94
  4. Step 4: Simplify right side
    8,407.36x = 56,499,095.90
  5. Step 5: Solve for x
    x = 56,499,095.90/8,407.36
  6. Step 6: Final answer
    x = 6,720.19

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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.