Home / 7,353.18-10,143.86-4,207.50

Finding the Fourth Proportional to 7,353.18, 10,143.86 and 4,207.50

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Solution

The fourth proportional to 7,353.18, 10,143.86 and 4,207.50 is: 5,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.18 : 10,143.86 = 4,207.50 : x
  2. Step 2: Convert to fraction form
    7,353.18/10,143.86 = 4,207.50/x
  3. Step 3: Cross multiply
    7,353.18x = 10,143.86 × 4,207.50
  4. Step 4: Simplify right side
    7,353.18x = 42,680,269.91
  5. Step 5: Solve for x
    x = 42,680,269.91/7,353.18
  6. Step 6: Final answer
    x = 5,804.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.