Home / 8,088.16-11,160.40-5,105.64

Finding the Fourth Proportional to 8,088.16, 11,160.40 and 5,105.64

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Solution

The fourth proportional to 8,088.16, 11,160.40 and 5,105.64 is: 7,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.16 : 11,160.40 = 5,105.64 : x
  2. Step 2: Convert to fraction form
    8,088.16/11,160.40 = 5,105.64/x
  3. Step 3: Cross multiply
    8,088.16x = 11,160.40 × 5,105.64
  4. Step 4: Simplify right side
    8,088.16x = 56,980,984.66
  5. Step 5: Solve for x
    x = 56,980,984.66/8,088.16
  6. Step 6: Final answer
    x = 7,044.99

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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.