Home / 5,206.50-7,810.56-1,695.68

Finding the Fourth Proportional to 5,206.50, 7,810.56 and 1,695.68

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Solution

The fourth proportional to 5,206.50, 7,810.56 and 1,695.68 is: 2,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.50 : 7,810.56 = 1,695.68 : x
  2. Step 2: Convert to fraction form
    5,206.50/7,810.56 = 1,695.68/x
  3. Step 3: Cross multiply
    5,206.50x = 7,810.56 × 1,695.68
  4. Step 4: Simplify right side
    5,206.50x = 13,244,206.98
  5. Step 5: Solve for x
    x = 13,244,206.98/5,206.50
  6. Step 6: Final answer
    x = 2,543.78

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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.