Home / 5,246.12-7,239.65-2,888.25

Finding the Fourth Proportional to 5,246.12, 7,239.65 and 2,888.25

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Solution

The fourth proportional to 5,246.12, 7,239.65 and 2,888.25 is: 3,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.12 : 7,239.65 = 2,888.25 : x
  2. Step 2: Convert to fraction form
    5,246.12/7,239.65 = 2,888.25/x
  3. Step 3: Cross multiply
    5,246.12x = 7,239.65 × 2,888.25
  4. Step 4: Simplify right side
    5,246.12x = 20,909,904.67
  5. Step 5: Solve for x
    x = 20,909,904.67/5,246.12
  6. Step 6: Final answer
    x = 3,985.79

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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.