Home / 5,402.81-8,099.35-1,937.63

Finding the Fourth Proportional to 5,402.81, 8,099.35 and 1,937.63

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Solution

The fourth proportional to 5,402.81, 8,099.35 and 1,937.63 is: 2,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.81 : 8,099.35 = 1,937.63 : x
  2. Step 2: Convert to fraction form
    5,402.81/8,099.35 = 1,937.63/x
  3. Step 3: Cross multiply
    5,402.81x = 8,099.35 × 1,937.63
  4. Step 4: Simplify right side
    5,402.81x = 15,693,498.20
  5. Step 5: Solve for x
    x = 15,693,498.20/5,402.81
  6. Step 6: Final answer
    x = 2,904.69

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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.