Home / 5,107.51-7,050.15-3,011.50

Finding the Fourth Proportional to 5,107.51, 7,050.15 and 3,011.50

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Solution

The fourth proportional to 5,107.51, 7,050.15 and 3,011.50 is: 4,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.51 : 7,050.15 = 3,011.50 : x
  2. Step 2: Convert to fraction form
    5,107.51/7,050.15 = 3,011.50/x
  3. Step 3: Cross multiply
    5,107.51x = 7,050.15 × 3,011.50
  4. Step 4: Simplify right side
    5,107.51x = 21,231,526.73
  5. Step 5: Solve for x
    x = 21,231,526.73/5,107.51
  6. Step 6: Final answer
    x = 4,156.92

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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.