Home / 5,127.42-7,697.43-4,869.18

Finding the Fourth Proportional to 5,127.42, 7,697.43 and 4,869.18

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Solution

The fourth proportional to 5,127.42, 7,697.43 and 4,869.18 is: 7,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.42 : 7,697.43 = 4,869.18 : x
  2. Step 2: Convert to fraction form
    5,127.42/7,697.43 = 4,869.18/x
  3. Step 3: Cross multiply
    5,127.42x = 7,697.43 × 4,869.18
  4. Step 4: Simplify right side
    5,127.42x = 37,480,172.21
  5. Step 5: Solve for x
    x = 37,480,172.21/5,127.42
  6. Step 6: Final answer
    x = 7,309.75

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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.