Home / 4,881.20-7,317.40-1,802.48

Finding the Fourth Proportional to 4,881.20, 7,317.40 and 1,802.48

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Solution

The fourth proportional to 4,881.20, 7,317.40 and 1,802.48 is: 2,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.20 : 7,317.40 = 1,802.48 : x
  2. Step 2: Convert to fraction form
    4,881.20/7,317.40 = 1,802.48/x
  3. Step 3: Cross multiply
    4,881.20x = 7,317.40 × 1,802.48
  4. Step 4: Simplify right side
    4,881.20x = 13,189,467.15
  5. Step 5: Solve for x
    x = 13,189,467.15/4,881.20
  6. Step 6: Final answer
    x = 2,702.10

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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.