Home / 7,614.10-10,512.66-4,931.80

Finding the Fourth Proportional to 7,614.10, 10,512.66 and 4,931.80

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Solution

The fourth proportional to 7,614.10, 10,512.66 and 4,931.80 is: 6,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.10 : 10,512.66 = 4,931.80 : x
  2. Step 2: Convert to fraction form
    7,614.10/10,512.66 = 4,931.80/x
  3. Step 3: Cross multiply
    7,614.10x = 10,512.66 × 4,931.80
  4. Step 4: Simplify right side
    7,614.10x = 51,846,336.59
  5. Step 5: Solve for x
    x = 51,846,336.59/7,614.10
  6. Step 6: Final answer
    x = 6,809.25

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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.