Home / 5,970.42-8,970.75-3,780.18

Finding the Fourth Proportional to 5,970.42, 8,970.75 and 3,780.18

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Solution

The fourth proportional to 5,970.42, 8,970.75 and 3,780.18 is: 5,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.42 : 8,970.75 = 3,780.18 : x
  2. Step 2: Convert to fraction form
    5,970.42/8,970.75 = 3,780.18/x
  3. Step 3: Cross multiply
    5,970.42x = 8,970.75 × 3,780.18
  4. Step 4: Simplify right side
    5,970.42x = 33,911,049.74
  5. Step 5: Solve for x
    x = 33,911,049.74/5,970.42
  6. Step 6: Final answer
    x = 5,679.84

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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.