Home / 5,357.20-7,395.44-4,031.40

Finding the Fourth Proportional to 5,357.20, 7,395.44 and 4,031.40

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Solution

The fourth proportional to 5,357.20, 7,395.44 and 4,031.40 is: 5,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.20 : 7,395.44 = 4,031.40 : x
  2. Step 2: Convert to fraction form
    5,357.20/7,395.44 = 4,031.40/x
  3. Step 3: Cross multiply
    5,357.20x = 7,395.44 × 4,031.40
  4. Step 4: Simplify right side
    5,357.20x = 29,813,976.82
  5. Step 5: Solve for x
    x = 29,813,976.82/5,357.20
  6. Step 6: Final answer
    x = 5,565.22

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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.