Home / 5,276.29-7,281.19-2,918.43

Finding the Fourth Proportional to 5,276.29, 7,281.19 and 2,918.43

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Solution

The fourth proportional to 5,276.29, 7,281.19 and 2,918.43 is: 4,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.29 : 7,281.19 = 2,918.43 : x
  2. Step 2: Convert to fraction form
    5,276.29/7,281.19 = 2,918.43/x
  3. Step 3: Cross multiply
    5,276.29x = 7,281.19 × 2,918.43
  4. Step 4: Simplify right side
    5,276.29x = 21,249,646.98
  5. Step 5: Solve for x
    x = 21,249,646.98/5,276.29
  6. Step 6: Final answer
    x = 4,027.38

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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.