Home / 6,870.48-10,305.72-3,946.92

Finding the Fourth Proportional to 6,870.48, 10,305.72 and 3,946.92

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Solution

The fourth proportional to 6,870.48, 10,305.72 and 3,946.92 is: 5,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.48 : 10,305.72 = 3,946.92 : x
  2. Step 2: Convert to fraction form
    6,870.48/10,305.72 = 3,946.92/x
  3. Step 3: Cross multiply
    6,870.48x = 10,305.72 × 3,946.92
  4. Step 4: Simplify right side
    6,870.48x = 40,675,852.38
  5. Step 5: Solve for x
    x = 40,675,852.38/6,870.48
  6. Step 6: Final answer
    x = 5,920.38

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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.