Home / 7,639.19-10,542.35-4,282.04

Finding the Fourth Proportional to 7,639.19, 10,542.35 and 4,282.04

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Solution

The fourth proportional to 7,639.19, 10,542.35 and 4,282.04 is: 5,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.19 : 10,542.35 = 4,282.04 : x
  2. Step 2: Convert to fraction form
    7,639.19/10,542.35 = 4,282.04/x
  3. Step 3: Cross multiply
    7,639.19x = 10,542.35 × 4,282.04
  4. Step 4: Simplify right side
    7,639.19x = 45,142,771.80
  5. Step 5: Solve for x
    x = 45,142,771.80/7,639.19
  6. Step 6: Final answer
    x = 5,909.37

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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.