Home / 4,918.10-7,377.03-1,220.27

Finding the Fourth Proportional to 4,918.10, 7,377.03 and 1,220.27

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Solution

The fourth proportional to 4,918.10, 7,377.03 and 1,220.27 is: 1,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.10 : 7,377.03 = 1,220.27 : x
  2. Step 2: Convert to fraction form
    4,918.10/7,377.03 = 1,220.27/x
  3. Step 3: Cross multiply
    4,918.10x = 7,377.03 × 1,220.27
  4. Step 4: Simplify right side
    4,918.10x = 9,001,931.51
  5. Step 5: Solve for x
    x = 9,001,931.51/4,918.10
  6. Step 6: Final answer
    x = 1,830.37

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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.