Home / 5,246.32-7,239.68-2,888.42

Finding the Fourth Proportional to 5,246.32, 7,239.68 and 2,888.42

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Solution

The fourth proportional to 5,246.32, 7,239.68 and 2,888.42 is: 3,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.32 : 7,239.68 = 2,888.42 : x
  2. Step 2: Convert to fraction form
    5,246.32/7,239.68 = 2,888.42/x
  3. Step 3: Cross multiply
    5,246.32x = 7,239.68 × 2,888.42
  4. Step 4: Simplify right side
    5,246.32x = 20,911,236.51
  5. Step 5: Solve for x
    x = 20,911,236.51/5,246.32
  6. Step 6: Final answer
    x = 3,985.89

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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.