Home / 5,148.04-7,722.06-1,685.30

Finding the Fourth Proportional to 5,148.04, 7,722.06 and 1,685.30

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Solution

The fourth proportional to 5,148.04, 7,722.06 and 1,685.30 is: 2,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.04 : 7,722.06 = 1,685.30 : x
  2. Step 2: Convert to fraction form
    5,148.04/7,722.06 = 1,685.30/x
  3. Step 3: Cross multiply
    5,148.04x = 7,722.06 × 1,685.30
  4. Step 4: Simplify right side
    5,148.04x = 13,013,987.72
  5. Step 5: Solve for x
    x = 13,013,987.72/5,148.04
  6. Step 6: Final answer
    x = 2,527.95

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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.