Home / 7,445.80-10,272.90-4,300.84

Finding the Fourth Proportional to 7,445.80, 10,272.90 and 4,300.84

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Solution

The fourth proportional to 7,445.80, 10,272.90 and 4,300.84 is: 5,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.80 : 10,272.90 = 4,300.84 : x
  2. Step 2: Convert to fraction form
    7,445.80/10,272.90 = 4,300.84/x
  3. Step 3: Cross multiply
    7,445.80x = 10,272.90 × 4,300.84
  4. Step 4: Simplify right side
    7,445.80x = 44,182,099.24
  5. Step 5: Solve for x
    x = 44,182,099.24/7,445.80
  6. Step 6: Final answer
    x = 5,933.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.