Home / 8,855.40-13,291.30-4,475.92

Finding the Fourth Proportional to 8,855.40, 13,291.30 and 4,475.92

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Solution

The fourth proportional to 8,855.40, 13,291.30 and 4,475.92 is: 6,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.40 : 13,291.30 = 4,475.92 : x
  2. Step 2: Convert to fraction form
    8,855.40/13,291.30 = 4,475.92/x
  3. Step 3: Cross multiply
    8,855.40x = 13,291.30 × 4,475.92
  4. Step 4: Simplify right side
    8,855.40x = 59,490,795.50
  5. Step 5: Solve for x
    x = 59,490,795.50/8,855.40
  6. Step 6: Final answer
    x = 6,718.02

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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.