Home / 7,017.28-10,530.24-3,899.68

Finding the Fourth Proportional to 7,017.28, 10,530.24 and 3,899.68

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Solution

The fourth proportional to 7,017.28, 10,530.24 and 3,899.68 is: 5,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.28 : 10,530.24 = 3,899.68 : x
  2. Step 2: Convert to fraction form
    7,017.28/10,530.24 = 3,899.68/x
  3. Step 3: Cross multiply
    7,017.28x = 10,530.24 × 3,899.68
  4. Step 4: Simplify right side
    7,017.28x = 41,064,566.32
  5. Step 5: Solve for x
    x = 41,064,566.32/7,017.28
  6. Step 6: Final answer
    x = 5,851.92

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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.