Home / 7,490.65-11,237.74-2,225.70

Finding the Fourth Proportional to 7,490.65, 11,237.74 and 2,225.70

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Solution

The fourth proportional to 7,490.65, 11,237.74 and 2,225.70 is: 3,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.65 : 11,237.74 = 2,225.70 : x
  2. Step 2: Convert to fraction form
    7,490.65/11,237.74 = 2,225.70/x
  3. Step 3: Cross multiply
    7,490.65x = 11,237.74 × 2,225.70
  4. Step 4: Simplify right side
    7,490.65x = 25,011,863.96
  5. Step 5: Solve for x
    x = 25,011,863.96/7,490.65
  6. Step 6: Final answer
    x = 3,339.08

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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.