Home / 7,899.29-10,903.19-4,913.34

Finding the Fourth Proportional to 7,899.29, 10,903.19 and 4,913.34

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Solution

The fourth proportional to 7,899.29, 10,903.19 and 4,913.34 is: 6,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.29 : 10,903.19 = 4,913.34 : x
  2. Step 2: Convert to fraction form
    7,899.29/10,903.19 = 4,913.34/x
  3. Step 3: Cross multiply
    7,899.29x = 10,903.19 × 4,913.34
  4. Step 4: Simplify right side
    7,899.29x = 53,571,103.07
  5. Step 5: Solve for x
    x = 53,571,103.07/7,899.29
  6. Step 6: Final answer
    x = 6,781.76

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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.