Home / 5,276.37-7,281.36-2,886.34

Finding the Fourth Proportional to 5,276.37, 7,281.36 and 2,886.34

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Solution

The fourth proportional to 5,276.37, 7,281.36 and 2,886.34 is: 3,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.37 : 7,281.36 = 2,886.34 : x
  2. Step 2: Convert to fraction form
    5,276.37/7,281.36 = 2,886.34/x
  3. Step 3: Cross multiply
    5,276.37x = 7,281.36 × 2,886.34
  4. Step 4: Simplify right side
    5,276.37x = 21,016,480.62
  5. Step 5: Solve for x
    x = 21,016,480.62/5,276.37
  6. Step 6: Final answer
    x = 3,983.13

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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.