Home / 7,561.17-11,335.70-2,880.24

Finding the Fourth Proportional to 7,561.17, 11,335.70 and 2,880.24

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Solution

The fourth proportional to 7,561.17, 11,335.70 and 2,880.24 is: 4,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.17 : 11,335.70 = 2,880.24 : x
  2. Step 2: Convert to fraction form
    7,561.17/11,335.70 = 2,880.24/x
  3. Step 3: Cross multiply
    7,561.17x = 11,335.70 × 2,880.24
  4. Step 4: Simplify right side
    7,561.17x = 32,649,522.17
  5. Step 5: Solve for x
    x = 32,649,522.17/7,561.17
  6. Step 6: Final answer
    x = 4,318.05

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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.