Home / 5,281.32-7,288.48-3,043.56

Finding the Fourth Proportional to 5,281.32, 7,288.48 and 3,043.56

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Solution

The fourth proportional to 5,281.32, 7,288.48 and 3,043.56 is: 4,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.32 : 7,288.48 = 3,043.56 : x
  2. Step 2: Convert to fraction form
    5,281.32/7,288.48 = 3,043.56/x
  3. Step 3: Cross multiply
    5,281.32x = 7,288.48 × 3,043.56
  4. Step 4: Simplify right side
    5,281.32x = 22,182,926.19
  5. Step 5: Solve for x
    x = 22,182,926.19/5,281.32
  6. Step 6: Final answer
    x = 4,200.26

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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.