Home / 5,105.63-7,040.59-4,807.99

Finding the Fourth Proportional to 5,105.63, 7,040.59 and 4,807.99

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Solution

The fourth proportional to 5,105.63, 7,040.59 and 4,807.99 is: 6,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.63 : 7,040.59 = 4,807.99 : x
  2. Step 2: Convert to fraction form
    5,105.63/7,040.59 = 4,807.99/x
  3. Step 3: Cross multiply
    5,105.63x = 7,040.59 × 4,807.99
  4. Step 4: Simplify right side
    5,105.63x = 33,851,056.69
  5. Step 5: Solve for x
    x = 33,851,056.69/5,105.63
  6. Step 6: Final answer
    x = 6,630.14

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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.