Home / 5,717.08-7,884.30-4,390.84

Finding the Fourth Proportional to 5,717.08, 7,884.30 and 4,390.84

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Solution

The fourth proportional to 5,717.08, 7,884.30 and 4,390.84 is: 6,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.08 : 7,884.30 = 4,390.84 : x
  2. Step 2: Convert to fraction form
    5,717.08/7,884.30 = 4,390.84/x
  3. Step 3: Cross multiply
    5,717.08x = 7,884.30 × 4,390.84
  4. Step 4: Simplify right side
    5,717.08x = 34,618,699.81
  5. Step 5: Solve for x
    x = 34,618,699.81/5,717.08
  6. Step 6: Final answer
    x = 6,055.31

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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.