Home / 7,426.28-10,248.23-4,069.09

Finding the Fourth Proportional to 7,426.28, 10,248.23 and 4,069.09

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Solution

The fourth proportional to 7,426.28, 10,248.23 and 4,069.09 is: 5,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.28 : 10,248.23 = 4,069.09 : x
  2. Step 2: Convert to fraction form
    7,426.28/10,248.23 = 4,069.09/x
  3. Step 3: Cross multiply
    7,426.28x = 10,248.23 × 4,069.09
  4. Step 4: Simplify right side
    7,426.28x = 41,700,970.21
  5. Step 5: Solve for x
    x = 41,700,970.21/7,426.28
  6. Step 6: Final answer
    x = 5,615.32

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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.