Home / 8,434.68-11,639.07-4,898.09

Finding the Fourth Proportional to 8,434.68, 11,639.07 and 4,898.09

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Solution

The fourth proportional to 8,434.68, 11,639.07 and 4,898.09 is: 6,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.68 : 11,639.07 = 4,898.09 : x
  2. Step 2: Convert to fraction form
    8,434.68/11,639.07 = 4,898.09/x
  3. Step 3: Cross multiply
    8,434.68x = 11,639.07 × 4,898.09
  4. Step 4: Simplify right side
    8,434.68x = 57,009,154.18
  5. Step 5: Solve for x
    x = 57,009,154.18/8,434.68
  6. Step 6: Final answer
    x = 6,758.90

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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.