Home / 8,970.31-13,455.30-4,036.46

Finding the Fourth Proportional to 8,970.31, 13,455.30 and 4,036.46

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Solution

The fourth proportional to 8,970.31, 13,455.30 and 4,036.46 is: 6,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.31 : 13,455.30 = 4,036.46 : x
  2. Step 2: Convert to fraction form
    8,970.31/13,455.30 = 4,036.46/x
  3. Step 3: Cross multiply
    8,970.31x = 13,455.30 × 4,036.46
  4. Step 4: Simplify right side
    8,970.31x = 54,311,813.88
  5. Step 5: Solve for x
    x = 54,311,813.88/8,970.31
  6. Step 6: Final answer
    x = 6,054.62

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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.