Home / 10,240.61-15,360.91-2,845.07

Finding the Fourth Proportional to 10,240.61, 15,360.91 and 2,845.07

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Solution

The fourth proportional to 10,240.61, 15,360.91 and 2,845.07 is: 4,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.61 : 15,360.91 = 2,845.07 : x
  2. Step 2: Convert to fraction form
    10,240.61/15,360.91 = 2,845.07/x
  3. Step 3: Cross multiply
    10,240.61x = 15,360.91 × 2,845.07
  4. Step 4: Simplify right side
    10,240.61x = 43,702,837.90
  5. Step 5: Solve for x
    x = 43,702,837.90/10,240.61
  6. Step 6: Final answer
    x = 4,267.60

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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.