Home / 4,752.02-7,129.14-2,154.26

Finding the Fourth Proportional to 4,752.02, 7,129.14 and 2,154.26

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Solution

The fourth proportional to 4,752.02, 7,129.14 and 2,154.26 is: 3,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.02 : 7,129.14 = 2,154.26 : x
  2. Step 2: Convert to fraction form
    4,752.02/7,129.14 = 2,154.26/x
  3. Step 3: Cross multiply
    4,752.02x = 7,129.14 × 2,154.26
  4. Step 4: Simplify right side
    4,752.02x = 15,358,021.14
  5. Step 5: Solve for x
    x = 15,358,021.14/4,752.02
  6. Step 6: Final answer
    x = 3,231.89

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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.