Home / 6,985.21-10,474.51-2,539.74

Finding the Fourth Proportional to 6,985.21, 10,474.51 and 2,539.74

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Solution

The fourth proportional to 6,985.21, 10,474.51 and 2,539.74 is: 3,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.21 : 10,474.51 = 2,539.74 : x
  2. Step 2: Convert to fraction form
    6,985.21/10,474.51 = 2,539.74/x
  3. Step 3: Cross multiply
    6,985.21x = 10,474.51 × 2,539.74
  4. Step 4: Simplify right side
    6,985.21x = 26,602,532.03
  5. Step 5: Solve for x
    x = 26,602,532.03/6,985.21
  6. Step 6: Final answer
    x = 3,808.41

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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.