Home / 8,910.29-12,296.81-4,931.46

Finding the Fourth Proportional to 8,910.29, 12,296.81 and 4,931.46

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Solution

The fourth proportional to 8,910.29, 12,296.81 and 4,931.46 is: 6,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.29 : 12,296.81 = 4,931.46 : x
  2. Step 2: Convert to fraction form
    8,910.29/12,296.81 = 4,931.46/x
  3. Step 3: Cross multiply
    8,910.29x = 12,296.81 × 4,931.46
  4. Step 4: Simplify right side
    8,910.29x = 60,641,201.99
  5. Step 5: Solve for x
    x = 60,641,201.99/8,910.29
  6. Step 6: Final answer
    x = 6,805.75

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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.