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Finding the Fourth Proportional to 4,927.77, 7,393.17 and 2,955.59

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Solution

The fourth proportional to 4,927.77, 7,393.17 and 2,955.59 is: 4,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.77 : 7,393.17 = 2,955.59 : x
  2. Step 2: Convert to fraction form
    4,927.77/7,393.17 = 2,955.59/x
  3. Step 3: Cross multiply
    4,927.77x = 7,393.17 × 2,955.59
  4. Step 4: Simplify right side
    4,927.77x = 21,851,181.16
  5. Step 5: Solve for x
    x = 21,851,181.16/4,927.77
  6. Step 6: Final answer
    x = 4,434.29

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1.5x scale

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.