Home / 4,967.80-7,445.40-2,503.30

Finding the Fourth Proportional to 4,967.80, 7,445.40 and 2,503.30

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Solution

The fourth proportional to 4,967.80, 7,445.40 and 2,503.30 is: 3,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.80 : 7,445.40 = 2,503.30 : x
  2. Step 2: Convert to fraction form
    4,967.80/7,445.40 = 2,503.30/x
  3. Step 3: Cross multiply
    4,967.80x = 7,445.40 × 2,503.30
  4. Step 4: Simplify right side
    4,967.80x = 18,638,069.82
  5. Step 5: Solve for x
    x = 18,638,069.82/4,967.80
  6. Step 6: Final answer
    x = 3,751.78

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1.5x scale

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.