Home / 7,543.65-11,315.52-2,278.67

Finding the Fourth Proportional to 7,543.65, 11,315.52 and 2,278.67

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Solution

The fourth proportional to 7,543.65, 11,315.52 and 2,278.67 is: 3,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.65 : 11,315.52 = 2,278.67 : x
  2. Step 2: Convert to fraction form
    7,543.65/11,315.52 = 2,278.67/x
  3. Step 3: Cross multiply
    7,543.65x = 11,315.52 × 2,278.67
  4. Step 4: Simplify right side
    7,543.65x = 25,784,279.38
  5. Step 5: Solve for x
    x = 25,784,279.38/7,543.65
  6. Step 6: Final answer
    x = 3,418.01

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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.