Home / 5,368.47-8,055.59-2,289.75

Finding the Fourth Proportional to 5,368.47, 8,055.59 and 2,289.75

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Solution

The fourth proportional to 5,368.47, 8,055.59 and 2,289.75 is: 3,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.47 : 8,055.59 = 2,289.75 : x
  2. Step 2: Convert to fraction form
    5,368.47/8,055.59 = 2,289.75/x
  3. Step 3: Cross multiply
    5,368.47x = 8,055.59 × 2,289.75
  4. Step 4: Simplify right side
    5,368.47x = 18,445,275.75
  5. Step 5: Solve for x
    x = 18,445,275.75/5,368.47
  6. Step 6: Final answer
    x = 3,435.85

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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.