Home / 5,103.78-7,038.81-4,585.38

Finding the Fourth Proportional to 5,103.78, 7,038.81 and 4,585.38

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Solution

The fourth proportional to 5,103.78, 7,038.81 and 4,585.38 is: 6,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.78 : 7,038.81 = 4,585.38 : x
  2. Step 2: Convert to fraction form
    5,103.78/7,038.81 = 4,585.38/x
  3. Step 3: Cross multiply
    5,103.78x = 7,038.81 × 4,585.38
  4. Step 4: Simplify right side
    5,103.78x = 32,275,618.60
  5. Step 5: Solve for x
    x = 32,275,618.60/5,103.78
  6. Step 6: Final answer
    x = 6,323.87

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1.5x scale

Why These Related Problems?

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