Home / 7,038.90-10,557.81-1,844.64

Finding the Fourth Proportional to 7,038.90, 10,557.81 and 1,844.64

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Solution

The fourth proportional to 7,038.90, 10,557.81 and 1,844.64 is: 2,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.90 : 10,557.81 = 1,844.64 : x
  2. Step 2: Convert to fraction form
    7,038.90/10,557.81 = 1,844.64/x
  3. Step 3: Cross multiply
    7,038.90x = 10,557.81 × 1,844.64
  4. Step 4: Simplify right side
    7,038.90x = 19,475,358.64
  5. Step 5: Solve for x
    x = 19,475,358.64/7,038.90
  6. Step 6: Final answer
    x = 2,766.82

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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.