Home / 8,490.29-11,716.59-4,952.81

Finding the Fourth Proportional to 8,490.29, 11,716.59 and 4,952.81

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Solution

The fourth proportional to 8,490.29, 11,716.59 and 4,952.81 is: 6,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.29 : 11,716.59 = 4,952.81 : x
  2. Step 2: Convert to fraction form
    8,490.29/11,716.59 = 4,952.81/x
  3. Step 3: Cross multiply
    8,490.29x = 11,716.59 × 4,952.81
  4. Step 4: Simplify right side
    8,490.29x = 58,029,985.53
  5. Step 5: Solve for x
    x = 58,029,985.53/8,490.29
  6. Step 6: Final answer
    x = 6,834.87

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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.