Home / 4,934.90-7,400.55-1,648.10

Finding the Fourth Proportional to 4,934.90, 7,400.55 and 1,648.10

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Solution

The fourth proportional to 4,934.90, 7,400.55 and 1,648.10 is: 2,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.90 : 7,400.55 = 1,648.10 : x
  2. Step 2: Convert to fraction form
    4,934.90/7,400.55 = 1,648.10/x
  3. Step 3: Cross multiply
    4,934.90x = 7,400.55 × 1,648.10
  4. Step 4: Simplify right side
    4,934.90x = 12,196,846.46
  5. Step 5: Solve for x
    x = 12,196,846.46/4,934.90
  6. Step 6: Final answer
    x = 2,471.55

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1.5x scale

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.