Home / 5,214.48-7,807.95-3,656.40

Finding the Fourth Proportional to 5,214.48, 7,807.95 and 3,656.40

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Solution

The fourth proportional to 5,214.48, 7,807.95 and 3,656.40 is: 5,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.48 : 7,807.95 = 3,656.40 : x
  2. Step 2: Convert to fraction form
    5,214.48/7,807.95 = 3,656.40/x
  3. Step 3: Cross multiply
    5,214.48x = 7,807.95 × 3,656.40
  4. Step 4: Simplify right side
    5,214.48x = 28,548,988.38
  5. Step 5: Solve for x
    x = 28,548,988.38/5,214.48
  6. Step 6: Final answer
    x = 5,474.94

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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.