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Finding the Fourth Proportional to 6,317.80, 9,477.18 and 4,839.16

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Solution

The fourth proportional to 6,317.80, 9,477.18 and 4,839.16 is: 7,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.80 : 9,477.18 = 4,839.16 : x
  2. Step 2: Convert to fraction form
    6,317.80/9,477.18 = 4,839.16/x
  3. Step 3: Cross multiply
    6,317.80x = 9,477.18 × 4,839.16
  4. Step 4: Simplify right side
    6,317.80x = 45,861,590.37
  5. Step 5: Solve for x
    x = 45,861,590.37/6,317.80
  6. Step 6: Final answer
    x = 7,259.11

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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.