Home / 4,352.40-6,529.20-1,578.40

Finding the Fourth Proportional to 4,352.40, 6,529.20 and 1,578.40

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Solution

The fourth proportional to 4,352.40, 6,529.20 and 1,578.40 is: 2,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,352.40 : 6,529.20 = 1,578.40 : x
  2. Step 2: Convert to fraction form
    4,352.40/6,529.20 = 1,578.40/x
  3. Step 3: Cross multiply
    4,352.40x = 6,529.20 × 1,578.40
  4. Step 4: Simplify right side
    4,352.40x = 10,305,689.28
  5. Step 5: Solve for x
    x = 10,305,689.28/4,352.40
  6. Step 6: Final answer
    x = 2,367.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.