Home / 8,809.13-12,155.74-5,272.27

Finding the Fourth Proportional to 8,809.13, 12,155.74 and 5,272.27

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Solution

The fourth proportional to 8,809.13, 12,155.74 and 5,272.27 is: 7,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.13 : 12,155.74 = 5,272.27 : x
  2. Step 2: Convert to fraction form
    8,809.13/12,155.74 = 5,272.27/x
  3. Step 3: Cross multiply
    8,809.13x = 12,155.74 × 5,272.27
  4. Step 4: Simplify right side
    8,809.13x = 64,088,343.33
  5. Step 5: Solve for x
    x = 64,088,343.33/8,809.13
  6. Step 6: Final answer
    x = 7,275.22

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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.