Home / 6,870.90-10,304.85-2,485.92

Finding the Fourth Proportional to 6,870.90, 10,304.85 and 2,485.92

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Solution

The fourth proportional to 6,870.90, 10,304.85 and 2,485.92 is: 3,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.90 : 10,304.85 = 2,485.92 : x
  2. Step 2: Convert to fraction form
    6,870.90/10,304.85 = 2,485.92/x
  3. Step 3: Cross multiply
    6,870.90x = 10,304.85 × 2,485.92
  4. Step 4: Simplify right side
    6,870.90x = 25,617,032.71
  5. Step 5: Solve for x
    x = 25,617,032.71/6,870.90
  6. Step 6: Final answer
    x = 3,728.34

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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.