Home / 8,909.04-13,363.68-3,065.64

Finding the Fourth Proportional to 8,909.04, 13,363.68 and 3,065.64

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Solution

The fourth proportional to 8,909.04, 13,363.68 and 3,065.64 is: 4,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.04 : 13,363.68 = 3,065.64 : x
  2. Step 2: Convert to fraction form
    8,909.04/13,363.68 = 3,065.64/x
  3. Step 3: Cross multiply
    8,909.04x = 13,363.68 × 3,065.64
  4. Step 4: Simplify right side
    8,909.04x = 40,968,231.96
  5. Step 5: Solve for x
    x = 40,968,231.96/8,909.04
  6. Step 6: Final answer
    x = 4,598.50

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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.