Home / 4,746.48-7,121.15-1,459.80

Finding the Fourth Proportional to 4,746.48, 7,121.15 and 1,459.80

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Solution

The fourth proportional to 4,746.48, 7,121.15 and 1,459.80 is: 2,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.48 : 7,121.15 = 1,459.80 : x
  2. Step 2: Convert to fraction form
    4,746.48/7,121.15 = 1,459.80/x
  3. Step 3: Cross multiply
    4,746.48x = 7,121.15 × 1,459.80
  4. Step 4: Simplify right side
    4,746.48x = 10,395,447.47
  5. Step 5: Solve for x
    x = 10,395,447.47/4,746.48
  6. Step 6: Final answer
    x = 2,190.14

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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.