Home / 4,736.80-7,088.40-4,127.20

Finding the Fourth Proportional to 4,736.80, 7,088.40 and 4,127.20

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Solution

The fourth proportional to 4,736.80, 7,088.40 and 4,127.20 is: 6,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.80 : 7,088.40 = 4,127.20 : x
  2. Step 2: Convert to fraction form
    4,736.80/7,088.40 = 4,127.20/x
  3. Step 3: Cross multiply
    4,736.80x = 7,088.40 × 4,127.20
  4. Step 4: Simplify right side
    4,736.80x = 29,255,244.48
  5. Step 5: Solve for x
    x = 29,255,244.48/4,736.80
  6. Step 6: Final answer
    x = 6,176.16

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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.