Home / 4,612.32-6,919.64-1,325.70

Finding the Fourth Proportional to 4,612.32, 6,919.64 and 1,325.70

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Solution

The fourth proportional to 4,612.32, 6,919.64 and 1,325.70 is: 1,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.32 : 6,919.64 = 1,325.70 : x
  2. Step 2: Convert to fraction form
    4,612.32/6,919.64 = 1,325.70/x
  3. Step 3: Cross multiply
    4,612.32x = 6,919.64 × 1,325.70
  4. Step 4: Simplify right side
    4,612.32x = 9,173,366.75
  5. Step 5: Solve for x
    x = 9,173,366.75/4,612.32
  6. Step 6: Final answer
    x = 1,988.88

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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.