Home / 4,720.09-7,080.15-2,254.34

Finding the Fourth Proportional to 4,720.09, 7,080.15 and 2,254.34

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Solution

The fourth proportional to 4,720.09, 7,080.15 and 2,254.34 is: 3,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.09 : 7,080.15 = 2,254.34 : x
  2. Step 2: Convert to fraction form
    4,720.09/7,080.15 = 2,254.34/x
  3. Step 3: Cross multiply
    4,720.09x = 7,080.15 × 2,254.34
  4. Step 4: Simplify right side
    4,720.09x = 15,961,065.35
  5. Step 5: Solve for x
    x = 15,961,065.35/4,720.09
  6. Step 6: Final answer
    x = 3,381.52

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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.