Home / 7,178.62-10,779.81-4,853.65

Finding the Fourth Proportional to 7,178.62, 10,779.81 and 4,853.65

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Solution

The fourth proportional to 7,178.62, 10,779.81 and 4,853.65 is: 7,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.62 : 10,779.81 = 4,853.65 : x
  2. Step 2: Convert to fraction form
    7,178.62/10,779.81 = 4,853.65/x
  3. Step 3: Cross multiply
    7,178.62x = 10,779.81 × 4,853.65
  4. Step 4: Simplify right side
    7,178.62x = 52,321,424.81
  5. Step 5: Solve for x
    x = 52,321,424.81/7,178.62
  6. Step 6: Final answer
    x = 7,288.51

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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.