Home / 4,700.52-7,050.86-1,780.20

Finding the Fourth Proportional to 4,700.52, 7,050.86 and 1,780.20

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Solution

The fourth proportional to 4,700.52, 7,050.86 and 1,780.20 is: 2,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.52 : 7,050.86 = 1,780.20 : x
  2. Step 2: Convert to fraction form
    4,700.52/7,050.86 = 1,780.20/x
  3. Step 3: Cross multiply
    4,700.52x = 7,050.86 × 1,780.20
  4. Step 4: Simplify right side
    4,700.52x = 12,551,940.97
  5. Step 5: Solve for x
    x = 12,551,940.97/4,700.52
  6. Step 6: Final answer
    x = 2,670.33

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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.