Home / 5,399.42-8,085.12-4,624.40

Finding the Fourth Proportional to 5,399.42, 8,085.12 and 4,624.40

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Solution

The fourth proportional to 5,399.42, 8,085.12 and 4,624.40 is: 6,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.42 : 8,085.12 = 4,624.40 : x
  2. Step 2: Convert to fraction form
    5,399.42/8,085.12 = 4,624.40/x
  3. Step 3: Cross multiply
    5,399.42x = 8,085.12 × 4,624.40
  4. Step 4: Simplify right side
    5,399.42x = 37,388,840.47
  5. Step 5: Solve for x
    x = 37,388,840.47/5,399.42
  6. Step 6: Final answer
    x = 6,924.60

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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.