Home / 4,802.40-7,203.60-1,515.72

Finding the Fourth Proportional to 4,802.40, 7,203.60 and 1,515.72

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Solution

The fourth proportional to 4,802.40, 7,203.60 and 1,515.72 is: 2,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.40 : 7,203.60 = 1,515.72 : x
  2. Step 2: Convert to fraction form
    4,802.40/7,203.60 = 1,515.72/x
  3. Step 3: Cross multiply
    4,802.40x = 7,203.60 × 1,515.72
  4. Step 4: Simplify right side
    4,802.40x = 10,918,640.59
  5. Step 5: Solve for x
    x = 10,918,640.59/4,802.40
  6. Step 6: Final answer
    x = 2,273.58

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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.