Home / 8,287.60-11,436.87-4,510.71

Finding the Fourth Proportional to 8,287.60, 11,436.87 and 4,510.71

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Solution

The fourth proportional to 8,287.60, 11,436.87 and 4,510.71 is: 6,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.60 : 11,436.87 = 4,510.71 : x
  2. Step 2: Convert to fraction form
    8,287.60/11,436.87 = 4,510.71/x
  3. Step 3: Cross multiply
    8,287.60x = 11,436.87 × 4,510.71
  4. Step 4: Simplify right side
    8,287.60x = 51,588,403.88
  5. Step 5: Solve for x
    x = 51,588,403.88/8,287.60
  6. Step 6: Final answer
    x = 6,224.77

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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.