Home / 7,484.40-11,226.56-2,290.28

Finding the Fourth Proportional to 7,484.40, 11,226.56 and 2,290.28

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Solution

The fourth proportional to 7,484.40, 11,226.56 and 2,290.28 is: 3,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.40 : 11,226.56 = 2,290.28 : x
  2. Step 2: Convert to fraction form
    7,484.40/11,226.56 = 2,290.28/x
  3. Step 3: Cross multiply
    7,484.40x = 11,226.56 × 2,290.28
  4. Step 4: Simplify right side
    7,484.40x = 25,711,898.25
  5. Step 5: Solve for x
    x = 25,711,898.25/7,484.40
  6. Step 6: Final answer
    x = 3,435.40

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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.