Home / 8,317.10-11,477.42-4,780.22

Finding the Fourth Proportional to 8,317.10, 11,477.42 and 4,780.22

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Solution

The fourth proportional to 8,317.10, 11,477.42 and 4,780.22 is: 6,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.10 : 11,477.42 = 4,780.22 : x
  2. Step 2: Convert to fraction form
    8,317.10/11,477.42 = 4,780.22/x
  3. Step 3: Cross multiply
    8,317.10x = 11,477.42 × 4,780.22
  4. Step 4: Simplify right side
    8,317.10x = 54,864,592.63
  5. Step 5: Solve for x
    x = 54,864,592.63/8,317.10
  6. Step 6: Final answer
    x = 6,596.60

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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.