Home / 5,419.32-7,478.57-3,029.35

Finding the Fourth Proportional to 5,419.32, 7,478.57 and 3,029.35

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Solution

The fourth proportional to 5,419.32, 7,478.57 and 3,029.35 is: 4,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.32 : 7,478.57 = 3,029.35 : x
  2. Step 2: Convert to fraction form
    5,419.32/7,478.57 = 3,029.35/x
  3. Step 3: Cross multiply
    5,419.32x = 7,478.57 × 3,029.35
  4. Step 4: Simplify right side
    5,419.32x = 22,655,206.03
  5. Step 5: Solve for x
    x = 22,655,206.03/5,419.32
  6. Step 6: Final answer
    x = 4,180.45

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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.