Home / 4,549.60-6,820.80-1,950.40

Finding the Fourth Proportional to 4,549.60, 6,820.80 and 1,950.40

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Solution

The fourth proportional to 4,549.60, 6,820.80 and 1,950.40 is: 2,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.60 : 6,820.80 = 1,950.40 : x
  2. Step 2: Convert to fraction form
    4,549.60/6,820.80 = 1,950.40/x
  3. Step 3: Cross multiply
    4,549.60x = 6,820.80 × 1,950.40
  4. Step 4: Simplify right side
    4,549.60x = 13,303,288.32
  5. Step 5: Solve for x
    x = 13,303,288.32/4,549.60
  6. Step 6: Final answer
    x = 2,924.06

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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.