Home / 9,414.32-14,123.75-2,840.10

Finding the Fourth Proportional to 9,414.32, 14,123.75 and 2,840.10

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Solution

The fourth proportional to 9,414.32, 14,123.75 and 2,840.10 is: 4,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.32 : 14,123.75 = 2,840.10 : x
  2. Step 2: Convert to fraction form
    9,414.32/14,123.75 = 2,840.10/x
  3. Step 3: Cross multiply
    9,414.32x = 14,123.75 × 2,840.10
  4. Step 4: Simplify right side
    9,414.32x = 40,112,848.17
  5. Step 5: Solve for x
    x = 40,112,848.17/9,414.32
  6. Step 6: Final answer
    x = 4,260.84

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1.5x scale

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.