Home / 7,511.28-10,360.10-6,514.84

Finding the Fourth Proportional to 7,511.28, 10,360.10 and 6,514.84

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Solution

The fourth proportional to 7,511.28, 10,360.10 and 6,514.84 is: 8,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.28 : 10,360.10 = 6,514.84 : x
  2. Step 2: Convert to fraction form
    7,511.28/10,360.10 = 6,514.84/x
  3. Step 3: Cross multiply
    7,511.28x = 10,360.10 × 6,514.84
  4. Step 4: Simplify right side
    7,511.28x = 67,494,393.88
  5. Step 5: Solve for x
    x = 67,494,393.88/7,511.28
  6. Step 6: Final answer
    x = 8,985.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.