Home / 8,946.71-13,423.85-4,785.63

Finding the Fourth Proportional to 8,946.71, 13,423.85 and 4,785.63

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Solution

The fourth proportional to 8,946.71, 13,423.85 and 4,785.63 is: 7,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.71 : 13,423.85 = 4,785.63 : x
  2. Step 2: Convert to fraction form
    8,946.71/13,423.85 = 4,785.63/x
  3. Step 3: Cross multiply
    8,946.71x = 13,423.85 × 4,785.63
  4. Step 4: Simplify right side
    8,946.71x = 64,241,579.28
  5. Step 5: Solve for x
    x = 64,241,579.28/8,946.71
  6. Step 6: Final answer
    x = 7,180.47

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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.