Home / 7,543.34-11,316.61-2,278.74

Finding the Fourth Proportional to 7,543.34, 11,316.61 and 2,278.74

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Solution

The fourth proportional to 7,543.34, 11,316.61 and 2,278.74 is: 3,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.34 : 11,316.61 = 2,278.74 : x
  2. Step 2: Convert to fraction form
    7,543.34/11,316.61 = 2,278.74/x
  3. Step 3: Cross multiply
    7,543.34x = 11,316.61 × 2,278.74
  4. Step 4: Simplify right side
    7,543.34x = 25,787,657.16
  5. Step 5: Solve for x
    x = 25,787,657.16/7,543.34
  6. Step 6: Final answer
    x = 3,418.60

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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.