Home / 8,610.14-12,915.36-2,370.12

Finding the Fourth Proportional to 8,610.14, 12,915.36 and 2,370.12

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Solution

The fourth proportional to 8,610.14, 12,915.36 and 2,370.12 is: 3,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.14 : 12,915.36 = 2,370.12 : x
  2. Step 2: Convert to fraction form
    8,610.14/12,915.36 = 2,370.12/x
  3. Step 3: Cross multiply
    8,610.14x = 12,915.36 × 2,370.12
  4. Step 4: Simplify right side
    8,610.14x = 30,610,953.04
  5. Step 5: Solve for x
    x = 30,610,953.04/8,610.14
  6. Step 6: Final answer
    x = 3,555.22

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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.