Home / 9,368.40-14,041.78-3,521.28

Finding the Fourth Proportional to 9,368.40, 14,041.78 and 3,521.28

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Solution

The fourth proportional to 9,368.40, 14,041.78 and 3,521.28 is: 5,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.40 : 14,041.78 = 3,521.28 : x
  2. Step 2: Convert to fraction form
    9,368.40/14,041.78 = 3,521.28/x
  3. Step 3: Cross multiply
    9,368.40x = 14,041.78 × 3,521.28
  4. Step 4: Simplify right side
    9,368.40x = 49,445,039.08
  5. Step 5: Solve for x
    x = 49,445,039.08/9,368.40
  6. Step 6: Final answer
    x = 5,277.85

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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.