Home / 4,478.36-6,719.15-1,705.93

Finding the Fourth Proportional to 4,478.36, 6,719.15 and 1,705.93

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Solution

The fourth proportional to 4,478.36, 6,719.15 and 1,705.93 is: 2,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.36 : 6,719.15 = 1,705.93 : x
  2. Step 2: Convert to fraction form
    4,478.36/6,719.15 = 1,705.93/x
  3. Step 3: Cross multiply
    4,478.36x = 6,719.15 × 1,705.93
  4. Step 4: Simplify right side
    4,478.36x = 11,462,387.03
  5. Step 5: Solve for x
    x = 11,462,387.03/4,478.36
  6. Step 6: Final answer
    x = 2,559.51

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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.