Home / 4,685.76-7,028.51-1,223.01

Finding the Fourth Proportional to 4,685.76, 7,028.51 and 1,223.01

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Solution

The fourth proportional to 4,685.76, 7,028.51 and 1,223.01 is: 1,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.76 : 7,028.51 = 1,223.01 : x
  2. Step 2: Convert to fraction form
    4,685.76/7,028.51 = 1,223.01/x
  3. Step 3: Cross multiply
    4,685.76x = 7,028.51 × 1,223.01
  4. Step 4: Simplify right side
    4,685.76x = 8,595,931.90
  5. Step 5: Solve for x
    x = 8,595,931.90/4,685.76
  6. Step 6: Final answer
    x = 1,834.48

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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.