Home / 7,142.04-10,698.35-3,433.32

Finding the Fourth Proportional to 7,142.04, 10,698.35 and 3,433.32

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Solution

The fourth proportional to 7,142.04, 10,698.35 and 3,433.32 is: 5,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142.04 : 10,698.35 = 3,433.32 : x
  2. Step 2: Convert to fraction form
    7,142.04/10,698.35 = 3,433.32/x
  3. Step 3: Cross multiply
    7,142.04x = 10,698.35 × 3,433.32
  4. Step 4: Simplify right side
    7,142.04x = 36,730,841.86
  5. Step 5: Solve for x
    x = 36,730,841.86/7,142.04
  6. Step 6: Final answer
    x = 5,142.91

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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.