Home / 8,705.40-13,050.18-4,540.50

Finding the Fourth Proportional to 8,705.40, 13,050.18 and 4,540.50

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Solution

The fourth proportional to 8,705.40, 13,050.18 and 4,540.50 is: 6,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.40 : 13,050.18 = 4,540.50 : x
  2. Step 2: Convert to fraction form
    8,705.40/13,050.18 = 4,540.50/x
  3. Step 3: Cross multiply
    8,705.40x = 13,050.18 × 4,540.50
  4. Step 4: Simplify right side
    8,705.40x = 59,254,342.29
  5. Step 5: Solve for x
    x = 59,254,342.29/8,705.40
  6. Step 6: Final answer
    x = 6,806.62

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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.