Home / 4,985.80-7,478.70-2,063.32

Finding the Fourth Proportional to 4,985.80, 7,478.70 and 2,063.32

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Solution

The fourth proportional to 4,985.80, 7,478.70 and 2,063.32 is: 3,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.80 : 7,478.70 = 2,063.32 : x
  2. Step 2: Convert to fraction form
    4,985.80/7,478.70 = 2,063.32/x
  3. Step 3: Cross multiply
    4,985.80x = 7,478.70 × 2,063.32
  4. Step 4: Simplify right side
    4,985.80x = 15,430,951.28
  5. Step 5: Solve for x
    x = 15,430,951.28/4,985.80
  6. Step 6: Final answer
    x = 3,094.98

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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.