Home / 7,547.40-11,322.72-3,162.60

Finding the Fourth Proportional to 7,547.40, 11,322.72 and 3,162.60

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Solution

The fourth proportional to 7,547.40, 11,322.72 and 3,162.60 is: 4,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.40 : 11,322.72 = 3,162.60 : x
  2. Step 2: Convert to fraction form
    7,547.40/11,322.72 = 3,162.60/x
  3. Step 3: Cross multiply
    7,547.40x = 11,322.72 × 3,162.60
  4. Step 4: Simplify right side
    7,547.40x = 35,809,234.27
  5. Step 5: Solve for x
    x = 35,809,234.27/7,547.40
  6. Step 6: Final answer
    x = 4,744.58

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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.