Home / 5,617.56-8,418.84-4,312.62

Finding the Fourth Proportional to 5,617.56, 8,418.84 and 4,312.62

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Solution

The fourth proportional to 5,617.56, 8,418.84 and 4,312.62 is: 6,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.56 : 8,418.84 = 4,312.62 : x
  2. Step 2: Convert to fraction form
    5,617.56/8,418.84 = 4,312.62/x
  3. Step 3: Cross multiply
    5,617.56x = 8,418.84 × 4,312.62
  4. Step 4: Simplify right side
    5,617.56x = 36,307,257.76
  5. Step 5: Solve for x
    x = 36,307,257.76/5,617.56
  6. Step 6: Final answer
    x = 6,463.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.