Home / 6,842.30-9,442.40-4,325.51

Finding the Fourth Proportional to 6,842.30, 9,442.40 and 4,325.51

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Solution

The fourth proportional to 6,842.30, 9,442.40 and 4,325.51 is: 5,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.30 : 9,442.40 = 4,325.51 : x
  2. Step 2: Convert to fraction form
    6,842.30/9,442.40 = 4,325.51/x
  3. Step 3: Cross multiply
    6,842.30x = 9,442.40 × 4,325.51
  4. Step 4: Simplify right side
    6,842.30x = 40,843,126.78
  5. Step 5: Solve for x
    x = 40,843,126.78/6,842.30
  6. Step 6: Final answer
    x = 5,969.21

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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.