Home / 9,577.44-13,217.04-6,428.16

Finding the Fourth Proportional to 9,577.44, 13,217.04 and 6,428.16

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Solution

The fourth proportional to 9,577.44, 13,217.04 and 6,428.16 is: 8,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.44 : 13,217.04 = 6,428.16 : x
  2. Step 2: Convert to fraction form
    9,577.44/13,217.04 = 6,428.16/x
  3. Step 3: Cross multiply
    9,577.44x = 13,217.04 × 6,428.16
  4. Step 4: Simplify right side
    9,577.44x = 84,961,247.85
  5. Step 5: Solve for x
    x = 84,961,247.85/9,577.44
  6. Step 6: Final answer
    x = 8,870.98

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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.