Home / 4,098.81-6,148.40-1,325.48

Finding the Fourth Proportional to 4,098.81, 6,148.40 and 1,325.48

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Solution

The fourth proportional to 4,098.81, 6,148.40 and 1,325.48 is: 1,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.81 : 6,148.40 = 1,325.48 : x
  2. Step 2: Convert to fraction form
    4,098.81/6,148.40 = 1,325.48/x
  3. Step 3: Cross multiply
    4,098.81x = 6,148.40 × 1,325.48
  4. Step 4: Simplify right side
    4,098.81x = 8,149,543.86
  5. Step 5: Solve for x
    x = 8,149,543.86/4,098.81
  6. Step 6: Final answer
    x = 1,988.27

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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.