Home / 5,285.20-7,297.16-4,723.88

Finding the Fourth Proportional to 5,285.20, 7,297.16 and 4,723.88

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Solution

The fourth proportional to 5,285.20, 7,297.16 and 4,723.88 is: 6,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.20 : 7,297.16 = 4,723.88 : x
  2. Step 2: Convert to fraction form
    5,285.20/7,297.16 = 4,723.88/x
  3. Step 3: Cross multiply
    5,285.20x = 7,297.16 × 4,723.88
  4. Step 4: Simplify right side
    5,285.20x = 34,470,908.18
  5. Step 5: Solve for x
    x = 34,470,908.18/5,285.20
  6. Step 6: Final answer
    x = 6,522.16

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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.