Home / 4,152.36-6,229.28-1,378.74

Finding the Fourth Proportional to 4,152.36, 6,229.28 and 1,378.74

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Solution

The fourth proportional to 4,152.36, 6,229.28 and 1,378.74 is: 2,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.36 : 6,229.28 = 1,378.74 : x
  2. Step 2: Convert to fraction form
    4,152.36/6,229.28 = 1,378.74/x
  3. Step 3: Cross multiply
    4,152.36x = 6,229.28 × 1,378.74
  4. Step 4: Simplify right side
    4,152.36x = 8,588,550.61
  5. Step 5: Solve for x
    x = 8,588,550.61/4,152.36
  6. Step 6: Final answer
    x = 2,068.35

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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.