Home / 5,129.04-7,090.03-4,575.00

Finding the Fourth Proportional to 5,129.04, 7,090.03 and 4,575.00

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Solution

The fourth proportional to 5,129.04, 7,090.03 and 4,575.00 is: 6,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.04 : 7,090.03 = 4,575.00 : x
  2. Step 2: Convert to fraction form
    5,129.04/7,090.03 = 4,575.00/x
  3. Step 3: Cross multiply
    5,129.04x = 7,090.03 × 4,575.00
  4. Step 4: Simplify right side
    5,129.04x = 32,436,849.22
  5. Step 5: Solve for x
    x = 32,436,849.22/5,129.04
  6. Step 6: Final answer
    x = 6,324.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.