Home / 8,255.15-11,388.51-5,526.41

Finding the Fourth Proportional to 8,255.15, 11,388.51 and 5,526.41

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Solution

The fourth proportional to 8,255.15, 11,388.51 and 5,526.41 is: 7,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.15 : 11,388.51 = 5,526.41 : x
  2. Step 2: Convert to fraction form
    8,255.15/11,388.51 = 5,526.41/x
  3. Step 3: Cross multiply
    8,255.15x = 11,388.51 × 5,526.41
  4. Step 4: Simplify right side
    8,255.15x = 62,937,518.61
  5. Step 5: Solve for x
    x = 62,937,518.61/8,255.15
  6. Step 6: Final answer
    x = 7,624.04

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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.