Home / 7,534.83-11,302.38-2,857.02

Finding the Fourth Proportional to 7,534.83, 11,302.38 and 2,857.02

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Solution

The fourth proportional to 7,534.83, 11,302.38 and 2,857.02 is: 4,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.83 : 11,302.38 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    7,534.83/11,302.38 = 2,857.02/x
  3. Step 3: Cross multiply
    7,534.83x = 11,302.38 × 2,857.02
  4. Step 4: Simplify right side
    7,534.83x = 32,291,125.71
  5. Step 5: Solve for x
    x = 32,291,125.71/7,534.83
  6. Step 6: Final answer
    x = 4,285.58

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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.