Home / 5,487.42-8,238.69-4,670.94

Finding the Fourth Proportional to 5,487.42, 8,238.69 and 4,670.94

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Solution

The fourth proportional to 5,487.42, 8,238.69 and 4,670.94 is: 7,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.42 : 8,238.69 = 4,670.94 : x
  2. Step 2: Convert to fraction form
    5,487.42/8,238.69 = 4,670.94/x
  3. Step 3: Cross multiply
    5,487.42x = 8,238.69 × 4,670.94
  4. Step 4: Simplify right side
    5,487.42x = 38,482,426.67
  5. Step 5: Solve for x
    x = 38,482,426.67/5,487.42
  6. Step 6: Final answer
    x = 7,012.85

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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.