Home / 5,665.30-7,827.50-4,479.36

Finding the Fourth Proportional to 5,665.30, 7,827.50 and 4,479.36

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Solution

The fourth proportional to 5,665.30, 7,827.50 and 4,479.36 is: 6,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.30 : 7,827.50 = 4,479.36 : x
  2. Step 2: Convert to fraction form
    5,665.30/7,827.50 = 4,479.36/x
  3. Step 3: Cross multiply
    5,665.30x = 7,827.50 × 4,479.36
  4. Step 4: Simplify right side
    5,665.30x = 35,062,190.40
  5. Step 5: Solve for x
    x = 35,062,190.40/5,665.30
  6. Step 6: Final answer
    x = 6,188.94

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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.