Home / 5,005.15-6,907.07-2,851.72

Finding the Fourth Proportional to 5,005.15, 6,907.07 and 2,851.72

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Solution

The fourth proportional to 5,005.15, 6,907.07 and 2,851.72 is: 3,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.15 : 6,907.07 = 2,851.72 : x
  2. Step 2: Convert to fraction form
    5,005.15/6,907.07 = 2,851.72/x
  3. Step 3: Cross multiply
    5,005.15x = 6,907.07 × 2,851.72
  4. Step 4: Simplify right side
    5,005.15x = 19,697,019.52
  5. Step 5: Solve for x
    x = 19,697,019.52/5,005.15
  6. Step 6: Final answer
    x = 3,935.35

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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.