Home / 8,885.04-13,323.21-5,188.20

Finding the Fourth Proportional to 8,885.04, 13,323.21 and 5,188.20

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Solution

The fourth proportional to 8,885.04, 13,323.21 and 5,188.20 is: 7,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.04 : 13,323.21 = 5,188.20 : x
  2. Step 2: Convert to fraction form
    8,885.04/13,323.21 = 5,188.20/x
  3. Step 3: Cross multiply
    8,885.04x = 13,323.21 × 5,188.20
  4. Step 4: Simplify right side
    8,885.04x = 69,123,478.12
  5. Step 5: Solve for x
    x = 69,123,478.12/8,885.04
  6. Step 6: Final answer
    x = 7,779.76

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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.