Home / 4,989.98-6,886.56-2,752.28

Finding the Fourth Proportional to 4,989.98, 6,886.56 and 2,752.28

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Solution

The fourth proportional to 4,989.98, 6,886.56 and 2,752.28 is: 3,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.98 : 6,886.56 = 2,752.28 : x
  2. Step 2: Convert to fraction form
    4,989.98/6,886.56 = 2,752.28/x
  3. Step 3: Cross multiply
    4,989.98x = 6,886.56 × 2,752.28
  4. Step 4: Simplify right side
    4,989.98x = 18,953,741.36
  5. Step 5: Solve for x
    x = 18,953,741.36/4,989.98
  6. Step 6: Final answer
    x = 3,798.36

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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.