Home / 7,428.63-11,143.08-3,532.26

Finding the Fourth Proportional to 7,428.63, 11,143.08 and 3,532.26

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Solution

The fourth proportional to 7,428.63, 11,143.08 and 3,532.26 is: 5,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.63 : 11,143.08 = 3,532.26 : x
  2. Step 2: Convert to fraction form
    7,428.63/11,143.08 = 3,532.26/x
  3. Step 3: Cross multiply
    7,428.63x = 11,143.08 × 3,532.26
  4. Step 4: Simplify right side
    7,428.63x = 39,360,255.76
  5. Step 5: Solve for x
    x = 39,360,255.76/7,428.63
  6. Step 6: Final answer
    x = 5,298.45

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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.