Home / 7,421.39-11,128.02-3,035.24

Finding the Fourth Proportional to 7,421.39, 11,128.02 and 3,035.24

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Solution

The fourth proportional to 7,421.39, 11,128.02 and 3,035.24 is: 4,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.39 : 11,128.02 = 3,035.24 : x
  2. Step 2: Convert to fraction form
    7,421.39/11,128.02 = 3,035.24/x
  3. Step 3: Cross multiply
    7,421.39x = 11,128.02 × 3,035.24
  4. Step 4: Simplify right side
    7,421.39x = 33,776,155.78
  5. Step 5: Solve for x
    x = 33,776,155.78/7,421.39
  6. Step 6: Final answer
    x = 4,551.19

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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.