Home / 8,490.37-11,715.84-4,713.44

Finding the Fourth Proportional to 8,490.37, 11,715.84 and 4,713.44

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Solution

The fourth proportional to 8,490.37, 11,715.84 and 4,713.44 is: 6,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.37 : 11,715.84 = 4,713.44 : x
  2. Step 2: Convert to fraction form
    8,490.37/11,715.84 = 4,713.44/x
  3. Step 3: Cross multiply
    8,490.37x = 11,715.84 × 4,713.44
  4. Step 4: Simplify right side
    8,490.37x = 55,221,916.21
  5. Step 5: Solve for x
    x = 55,221,916.21/8,490.37
  6. Step 6: Final answer
    x = 6,504.07

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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.