Home / 8,985.95-13,473.68-3,439.67

Finding the Fourth Proportional to 8,985.95, 13,473.68 and 3,439.67

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Solution

The fourth proportional to 8,985.95, 13,473.68 and 3,439.67 is: 5,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.95 : 13,473.68 = 3,439.67 : x
  2. Step 2: Convert to fraction form
    8,985.95/13,473.68 = 3,439.67/x
  3. Step 3: Cross multiply
    8,985.95x = 13,473.68 × 3,439.67
  4. Step 4: Simplify right side
    8,985.95x = 46,344,928.32
  5. Step 5: Solve for x
    x = 46,344,928.32/8,985.95
  6. Step 6: Final answer
    x = 5,157.49

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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.