Home / 8,434.18-11,639.04-4,657.50

Finding the Fourth Proportional to 8,434.18, 11,639.04 and 4,657.50

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Solution

The fourth proportional to 8,434.18, 11,639.04 and 4,657.50 is: 6,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.18 : 11,639.04 = 4,657.50 : x
  2. Step 2: Convert to fraction form
    8,434.18/11,639.04 = 4,657.50/x
  3. Step 3: Cross multiply
    8,434.18x = 11,639.04 × 4,657.50
  4. Step 4: Simplify right side
    8,434.18x = 54,208,837.53
  5. Step 5: Solve for x
    x = 54,208,837.53/8,434.18
  6. Step 6: Final answer
    x = 6,427.28

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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.