Home / 4,459.66-6,690.43-1,686.27

Finding the Fourth Proportional to 4,459.66, 6,690.43 and 1,686.27

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Solution

The fourth proportional to 4,459.66, 6,690.43 and 1,686.27 is: 2,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.66 : 6,690.43 = 1,686.27 : x
  2. Step 2: Convert to fraction form
    4,459.66/6,690.43 = 1,686.27/x
  3. Step 3: Cross multiply
    4,459.66x = 6,690.43 × 1,686.27
  4. Step 4: Simplify right side
    4,459.66x = 11,281,852.07
  5. Step 5: Solve for x
    x = 11,281,852.07/4,459.66
  6. Step 6: Final answer
    x = 2,529.76

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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.