Home / 4,607.80-6,911.70-1,686.76

Finding the Fourth Proportional to 4,607.80, 6,911.70 and 1,686.76

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Solution

The fourth proportional to 4,607.80, 6,911.70 and 1,686.76 is: 2,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.80 : 6,911.70 = 1,686.76 : x
  2. Step 2: Convert to fraction form
    4,607.80/6,911.70 = 1,686.76/x
  3. Step 3: Cross multiply
    4,607.80x = 6,911.70 × 1,686.76
  4. Step 4: Simplify right side
    4,607.80x = 11,658,379.09
  5. Step 5: Solve for x
    x = 11,658,379.09/4,607.80
  6. Step 6: Final answer
    x = 2,530.14

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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.