Home / 8,434.24-11,639.12-4,605.84

Finding the Fourth Proportional to 8,434.24, 11,639.12 and 4,605.84

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Solution

The fourth proportional to 8,434.24, 11,639.12 and 4,605.84 is: 6,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.24 : 11,639.12 = 4,605.84 : x
  2. Step 2: Convert to fraction form
    8,434.24/11,639.12 = 4,605.84/x
  3. Step 3: Cross multiply
    8,434.24x = 11,639.12 × 4,605.84
  4. Step 4: Simplify right side
    8,434.24x = 53,607,924.46
  5. Step 5: Solve for x
    x = 53,607,924.46/8,434.24
  6. Step 6: Final answer
    x = 6,355.99

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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.