Home / 7,287.90-10,055.19-4,494.30

Finding the Fourth Proportional to 7,287.90, 10,055.19 and 4,494.30

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Solution

The fourth proportional to 7,287.90, 10,055.19 and 4,494.30 is: 6,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.90 : 10,055.19 = 4,494.30 : x
  2. Step 2: Convert to fraction form
    7,287.90/10,055.19 = 4,494.30/x
  3. Step 3: Cross multiply
    7,287.90x = 10,055.19 × 4,494.30
  4. Step 4: Simplify right side
    7,287.90x = 45,191,040.42
  5. Step 5: Solve for x
    x = 45,191,040.42/7,287.90
  6. Step 6: Final answer
    x = 6,200.83

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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.