Home / 4,780.18-6,598.86-3,189.46

Finding the Fourth Proportional to 4,780.18, 6,598.86 and 3,189.46

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Solution

The fourth proportional to 4,780.18, 6,598.86 and 3,189.46 is: 4,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.18 : 6,598.86 = 3,189.46 : x
  2. Step 2: Convert to fraction form
    4,780.18/6,598.86 = 3,189.46/x
  3. Step 3: Cross multiply
    4,780.18x = 6,598.86 × 3,189.46
  4. Step 4: Simplify right side
    4,780.18x = 21,046,800.02
  5. Step 5: Solve for x
    x = 21,046,800.02/4,780.18
  6. Step 6: Final answer
    x = 4,402.93

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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.