Home / 5,705.52-7,873.64-3,347.72

Finding the Fourth Proportional to 5,705.52, 7,873.64 and 3,347.72

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Solution

The fourth proportional to 5,705.52, 7,873.64 and 3,347.72 is: 4,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.52 : 7,873.64 = 3,347.72 : x
  2. Step 2: Convert to fraction form
    5,705.52/7,873.64 = 3,347.72/x
  3. Step 3: Cross multiply
    5,705.52x = 7,873.64 × 3,347.72
  4. Step 4: Simplify right side
    5,705.52x = 26,358,742.10
  5. Step 5: Solve for x
    x = 26,358,742.10/5,705.52
  6. Step 6: Final answer
    x = 4,619.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.