Home / 8,534.40-12,804.65-4,376.36

Finding the Fourth Proportional to 8,534.40, 12,804.65 and 4,376.36

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Solution

The fourth proportional to 8,534.40, 12,804.65 and 4,376.36 is: 6,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.40 : 12,804.65 = 4,376.36 : x
  2. Step 2: Convert to fraction form
    8,534.40/12,804.65 = 4,376.36/x
  3. Step 3: Cross multiply
    8,534.40x = 12,804.65 × 4,376.36
  4. Step 4: Simplify right side
    8,534.40x = 56,037,784.62
  5. Step 5: Solve for x
    x = 56,037,784.62/8,534.40
  6. Step 6: Final answer
    x = 6,566.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.